However, the Oxford Dictionary of Philosophy warns that " the borderline between such ' second-order ' reflection, and ways of practising the first-order discipline itself, is not always clear: philosophical problems may be tamed by the advance of a discipline, and the conduct of a discipline may be swayed by philosophical reflection ".

However, the earliest known idea to indicate the possibility of diseases spreading by yet unseen organisms was that of the Roman scholar Marcus Terentius Varro in a 1st century BC book titled On Agriculture in which he warns against locating a homestead near swamps:

However, at the time of writing ( January 2009 ) the process of registration has not yet been completed, and RFC 3023 warns that "... this media type should not be used until such registration has been completed.

" However, Judson warns Maggio ( tough monkey ), that sooner or later Maggio would end up in the stockade and he would be there waiting for him.

However, Marian warns Robin's men, and they manage to rescue him on his way to the gallows.

However early in The Winter's Tale the royal heir, Mamillius, warns that " a sad tale's best for winter ".

In the Epistles of Wisdom, Hamza ibn -' Ali ibn-Ahmad warns Ad-Darazi, saying, “ Faith does not need a sword to aid it .” However, Ad-Darazi refused Hamza ’ s threats and continued to challenge the Imam.

However, Lestat then warns readers not to continue if they are happy with this ending.

However, Al-Rodhan warns that geographical proximity can also lead to friction and conflict.

However, the Catechism of the Catholic Church, 1308 warns: " Although Confirmation is sometimes called the ' sacrament of Christian maturity ,' we must not confuse adult faith with the adult age of natural growth, nor forget that the baptismal grace is a grace of free, unmerited election and does not need ' ratification ' to become effective.

However this does not imply that the poor are always right, as Moses warns " You shall not be partial to the poor or defer to the great but in righteousness shall you judge your neighbour " ( Lev.

However, it is a set up as Rance stalls him until Maguire enters, but Michael warns his father with the car horn and Rance is killed in the ensuing crossfire.

However, the Maya couldn't sustain their population — and, Attenborough warns, we may be precariously close to a similar catastrophe.

However, in the season 10 premiere " Lazarus " it is revealed that Jor-El's essence has survived, and he warns of the coming of Darkseid, simultaneously taking away a suit that Martha Kent had recently made for her son until Clark is ready to be a hero, feeling that Clark's recent willingness to kill a clone of Lex Luthor shows that he is not worthy to be the hero Jor-El thought he would become.

However, he also warns the SGC against their attempts to reverse-engineer Goa ' uld technology and provoking open conflict with the System Lords by building warships.

However, in his Basic Training Seminar Manual ( and in each of the training videos ), Smith warns strongly against making any suggestions that might affect the actual content of a memory, and he lists ten ways in which TPM differs from RMT.

However, Faust warns Adam to use his powers only when absolutely necessary, lest Adam drain all of Isis ' remaining power and make her resurrection impossible.

However, Admiral Piquet ( Joaquim de Almeida ) warns Reigart that the shooting down of Burnett's jet and any attempt to rescue the navigator in the no-fly zone could hamper or even cause the peace process to collapse.

However, the American Food and Drug Administration warns pregnant or breastfeeding women against eating tilefish and some other fish due to mercury contamination.

However, he warns him about Mr. Toilet Man, who's actually just a figment of their imaginations.

However, Opera warns Dulness that Handel is a threat to her.

However, Tavis O ' Neill warns Camber that the Regents are planning to destroy several Deryni religious institutions as retribution for Camber's election.

However, even Reiss warns his readers that Nussimbaum ’ s own statements about his own identity were the least credible.

However, as Schneier warns in the appendix of Cryptonomicon, just about everyone with an interest in cryptanalysis will know about this algorithm.

However, the confession, which was the only evidence against him, was retracted before the trial.

However, no incidents of violence against spring breakers were reported.

However, no Hermunduri appear in Ptolemy, though after the time of Ptolemy the Hermunduri joined with the Marcomanni in the wars of 166 – 180 against the empire.

However, during Amphitryon's expedition against the Taphians and Teleboans, Zeus visited Alcmene disguised as Amphitryon.

However, when campaigning against Germanic tribes of Germania, Alexander attempted to bring peace by engaging in diplomacy and bribery.

However, the Vikings lacked both the equipment necessary to undertake a siege against the burh and a developed doctrine of siegecraft, having tailored their methods of fighting to rapid strikes and unimpeded retreats to well defended fortifications.

However, the boyars of Halych rebelled against his rule and expelled the Hungarian troops.

However, instead of a Crusade, Andrew led a campaign against the neighbouring provinces and occupied Zahumlje and Rama.

However, commonly there are delays in regulatory and legislative actions to limit the use of antibacterials, attributable partly to resistance against such regulation by industries using or selling antibacterials, and to the time required for research to test causal links between antibacterial use and resistance.

However, the situation has not returned to the pre-1968 level and the number of successful hijackings continues to be high-an average of 18 per annum during the 10-year period between 1988 and 1997, as against the pre-1968 average of five.

However, the Council did retain the prohibitions against eating meat containing blood, or meat of animals not properly slain, and against " fornication " and idol worship.

However, they protect their crews against shrapnel and small arms and are therefore usually included as armoured fighting vehicles.

However, the small 37 mm gun would not be effective against the front armor of German tanks so as an armored car, designated M8 Light Armored Car, it was used for reconnaissance instead.

However his war against Baghdad was put on hold by more internal problems.

However, the relationship of trust and friendship between Serbia and Bulgaria, built during their long common fight against Ottoman rule, suffered irreparable damage.

However the Soviets harshly protested against the use of the Reichstag building by institutions of the Federal Republic of Germany and tried to disturb the sittings by flying supersonic jets close to the building.

However, the run scored by the batter is counted as earned against the relief pitcher, but unearned to the team ( since there should have already been three outs ).

However, because it relies on lack of concentration or discipline by the batsman, it can be risky against patient and skilled players, especially batsmen who are strong on the leg side.

However, United maintained their aggregate lead to reach the last four and were in jubilant mood as they left to catch their flight home, thinking of an important League game against Wolves at the weekend.

" However French government applies a principle of precaution against GMO.

However, in September 1999 the European Commission ruled against a complaint made by Sky News that the publicly funded channel was unfair and illegal under EU law.

However, public outrage against large-scale arrests by the British, and the courts martial and executions of the rising's leaders, helped radicalise mainstream Irish nationalism.

However, a similar resolution was defeated by thirty-three votes in the House of Commons on December 15, 1927 when the MPs William Joynson-Hicks and Rosslyn Mitchell " reached and inflamed all the latent Protestant prejudices in the House " and argued strongly against it on the grounds that the proposed book was " papistical " and was a restoration of the Roman Mass and implied the doctrine of Transubstantiation.

However, the Dutch settlers revolted against the English and the colony was recaptured by the Dutch.