For answers to such questions we must turn to the anthropologists, the biologists, the historians, the psychologists, and the sociologists.

For this decision a man must take personal responsibility.

For both economic and political reasons all segments of the population must be able to share in the growth of a country.

For this must be the project of the whole American people.

For the near term, however, it must be realized that the industrial and commercial market is somewhat more sensitive to general business conditions than is the military market, and for this reason I would expect that any gain in 1961 may be somewhat smaller than those of recent years ; ;

For many of these measurements the chest must be opened, but the blood vessels and the heart itself remain undisturbed.

For proper accreditation of schools, teachers in any course must have a degree at least one level above that for which the student is a candidate.

For an experiment to qualify as a binomial experiment, it must have four properties: ( 1 ) there must be a fixed number of trials, ( 2 ) each trial must result in a `` success '' or a `` failure '' ( a binomial trial ), ( 3 ) all trials must have identical probabilities of success, ( 4 ) the trials must be independent of each other.

For it is clear that the total number of ordinary intersections of C and Af must be even ( otherwise, starting in the interior of C, Af could not finally return to the interior ), and the center of rotation at T is the argument of the function, not a value.

For more explicit expositions, one must distinguish different types of analyses.

For punched-card or tape storage of information all literature values must be conformed to a common language.

For we must number here not only the names of Bushnell, Clarke, and Rauschenbusch, not to mention those of `` the Chicago School '' and Macintosh, but those of the brothers Niebuhr and ( if America may claim him!!

For many Muslims, i ' thar must be practiced as a religious obligation during specific Islamic holidays.

For observational data, the derivation of confidence intervals must use subjective models, as emphasized by Ronald A. Fisher and his followers.

For some such computational process, the algorithm must be rigorously defined: specified in the way it applies in all possible circumstances that could arise.

For Euclid ’ s method to succeed, the starting lengths must satisfy two requirements: ( i ) the lengths must not be 0, AND ( ii ) the subtraction must be “ proper ”, a test must guarantee that the smaller of the two numbers is subtracted from the larger ( alternately, the two can be equal so their subtraction yields 0 ).

For the author to reach his or her audience, the work usually must attract the attention of the editor.

For more rigorous and precise analysis, the numerical approximations must be used.

For the remainder of his reign there are problems: one of his sons rapes one of his daughters, another son kills the first, his favourite son rebels and is killed, until finally only two contenders for the succession remain, one of them Bathsheba's son Solomon.

* For the rest of Solomon's reign the text names its source as " the book of the acts of Solomon ", but other sources were employed, and much was added by the redactor.

For example, the year in Japan is based on the reign of the current emperor: 2006 was Year 18 of the Emperor Akihito.

For the remainder of Domitian's reign Dacia remained a relatively peaceful client kingdom, but Decebalus used the Roman money to fortify his defences.

For the majority of his reign, there was no widespread dissatisfaction with the emperor or his rule.

For Abdur Rahman, delineating the boundary with India ( through the Pashtun area ) was far more significant, and it was during his reign that the Durand Line was drawn.

For the first time following the Anglo-Saxon invasion, coins began circulating in Kent during his reign.

For example, in AD 15 Germanicus was proclaimed Imperator during the reign of his adoptive father Tiberius.

For a time, however, during the reign of Emperor Daigo ( 897-930 ), the Fujiwara regency was suspended as he ruled directly.

For the remaining years of Richard's reign, John supported his brother on the continent, apparently loyally.

For most of his reign, Mieszko I was involved in warfare for the control of Western Pomerania, eventually conquering it up to the vicinity of the lower Oder.

For most of Edward's reign, Mary remained on her own estates, and rarely attended court.

For the first six years of his reign Omri's capital was in Tirzah, after which he built a new capital of the kingdom in Samaria, on a hill he bought from Shemer.

For this book was ended the ninth year of the reign of King Edward the Fourth by Sir Thomas Maleore, knight, as Jesu help him for his great might, as he is the servant of Jesu both day and night.

For example, a coin minted in 2009 would bear the date Heisei 21 ( the 21st year of Emperor Akihito's reign ).

For much of his reign, Sigismund was engaged in disputes with Nicholas of Cusa, then bishop of Brixen, for the control of the Eisack, Puster and Inn valleys.

For the first few years of his reign he had to face the obstacles of two strong rival kings, Wihtred of Kent and Ine of Wessex.

For the beginning of his reign, Otto III faced opposition from the Slavic peoples along Germany's eastern border.

For the Tudors and pre-Restoration Stuarts, both left and right-facing portrait images were minted within the reign of a single monarch.

For instance, during the reign of Darius I, the inhabitants of the Greek city of Barca, in Cyrenaica, were deported to Bactria for refusing to surrender assassins.

For the remainder of the reign of al-Hakim bi-Amr Allah ( r. 996 – 1021 ) relations remained peaceful, as Hakim was more interested in internal affairs.

For example the court-which under George Frederick Charles had comprised around 140 people-had grown to about 600 employees by the end of the reign of Margrave Frederick.

For the first 30 years of Elizabeth's reign, until Leicester's death, he and Lord Burghley were the most powerful and important political figures, working intimately with the Queen.

For example, William Laud, the Archbishop of Canterbury during the reign of King Charles I of England:

For law in Athelstan's reign: