Only when the newest Mr. America or Mr. Universe discovers them and puts them into practice are we reacquainted with them and once again see how effective they really are.

Only once were stalked ciliates found in the mixed liquor.

Only once in a very long while comes a book that gives the reader a magic sense of sharing a rare experience.

Only small, isolated sections are left standing with the largest portion lying in a pile of rubble that stretches the length of where the aqueducts once stood.

Only a small minority of parishes with a priest do not celebrate the Eucharist at least once each Sunday.

Only in the mid-20th century did the Republic's population start to grow once more, but emigration was still common until the 1990s.

Only three other players have achieved this feat more than once: Sir Gary Sobers, Mushtaq Mohammad and Jacques Kallis, who have each done it twice.

Only once, in August 1942, did Ribbentrop attempt to impede the deportations, but only because of jurisdictional disputes with the SS.

Only once before in the tournament's 126-year history had a defending men's champion lost in the opening round, in 1967, when Manuel Santana was beaten by Charlie Pasarell.

Only in 1341 were they once again able to settle in the town, by royal decree.

Only one of the powerups can be active at once, and their effects last for a limited time.

Only once since then has the House of Representatives chosen the President: In 1824, Andrew Jackson received 99 electoral votes, John Quincy Adams ( son of John Adams ) 84, William H. Crawford 41 and Henry Clay 37.

Only once before — when Woodrow Wilson asked Congress to order the U. S. into World War I — had a sitting president addressed Congress at night.

Only once a star has exhausted all its nuclear fuel can it collapse to such a small size, and so planetary nebulae came to be understood as a final stage of stellar evolution.

Only once the connection is opened to the server can the identifying signature be sent and detected, and the connection torn down.

Only a few playwrights have been awarded the Pulitzer Prize for Drama more than once.

Despite the apparent evils of Baudelaire, author of Les fleurs du mal, he had once remarked, in regard to the artist, that " The more a man cultivates the arts, the less randy he becomes ... Only the brute is good at coupling, and copulation is the lyricism of the masses.

Only a single egg is laid per nesting attempt, and usually only a single nesting attempt is made per year, although the larger albatrosses may only nest once every two years.

Only once, when they are in bed together, can he not get an erection.

Only small parts of the once enormous heaths and marshlands have survived until modern times.

( Only once in the 2nd century – in 157 BC – did a member of the family become consul.

Only the church and vicar appear the same but he has a shock when he discovers an old girlfriend, for in his eyes she has been so ravaged by time that she is almost unrecognizable and is utterly devoid of the qualities he once adored.

Only few early buildings remain in Placerville: as was the case in most mining towns, Placerville suffered more than once from fires that burned a large part of the town.

Only a few aged box and yew-trees now remain to tell of the luxuriant verdure that once grew around the Abbey.

Only infrequently did the situation color his thinking.

Only afterwards did an act like that become meaningless, so that he would puzzle over it for days, whereas at the time it had seemed quite real.

Only Palestine, and I will never live to see Palestine because I did not believe.

Only when the collage had been exhaustively translated into oil, and transformed by this translation, did Cubism become an affair of positive color and flat, interlocking silhouettes whose legibility and placement created allusions to, if not the illusion of, unmistakable three-dimensional identities.

Only then, when his glance focused on the divan and saw that it was empty, did he remember his earlier problem.

Only then did he decide he didn't want one.

Only an occasional tip turned out to be a phony, and, like the police, Casey had made a point of running down all such suggestions and he did not hesitate this time.

Only the memory of previous hurt, bewilderment and perplexity made him sure that if he did not ask B'dikkat when he, Mercer, was happy, the answer would no longer be available when he needed it.

Only after 1915, with the suggestion and evidence that this Z number was also the nuclear charge and a physical characteristic of atoms, did the word and its English equivalent atomic number come into common use.

Only during the 1970s and 1980s did television chefs such as James Beard and Jeff Smith shift the focus towards home-grown cooking styles, particularly those of the different ethnic groups within the nation.

Only after the translation into Latin and the addition of commentary by van Schooten in 1649 ( and further work thereafter ) did Descarte's masterpiece receive due recognition.

Only rarely did they describe their work as astronomical, and then only as a secondary category.

Only later when Cadogan and Churchill went to take charge did the town ’ s defences begin to fail.

Only from Spain did Louis XIV receive any good news where Das Minas and Galway had been forced to retreat from Madrid towards Valencia, allowing Philip V to re-enter his capital on 4 October.

Only one was ever built because Mrs. Beech did not like the aircraft.

Only in the 18th century did a steady economic and demographic growth begin, an effect of the reforms by Spain's Bourbon dynasty and a more stable situation along the frontier.

Only after the 1990s did the ceremony resume.

Only after independence from Colombia in 1903 did some begin to regard Panama as a North or Central American entity.

Only twice in his 22-year career did Young finish lower than 5th in the category.

Only a few, trusted people are aware of it, such as Batman and other members of the Justice League, Superman's cousin Supergirl, and Clark's childhood friend Lana Lang ( In pre-Crisis stories, Lana did not know but their friend Pete Ross did, unbeknownst to anyone — including Clark ).

Only at the turn of the century did Christmas trees appear inside churches, this time in a new brightly lit form.

Only the former International Race of Champions actually retired the No. 3, which they did in a rule change effective in 2004.

Only in the 1960s did Nissan begin to brand some automobile models as Nissans, and these were limited to their high-end models, for example the Cedric luxury-type sedan.

Only in the 1980s did it begin to develop a modest domestic arms industry as the Directorate of Army Industries manufactured rifle ammunition, uniforms, boots, and other consumable items.