Be zealous in every righteous cause .
— from An Advanced English Grammar with Exercises by George Lyman Kittredge

Of a schoolmaster neither learning nor zeal is expected; resignation, humility, and inaction only are asked.
— from The Social Cancer: A Complete English Version of Noli Me Tangere by José Rizal

a toto orbe ibi responsa petuntur, maxime ab Hispanis (forsan Zupanis, id est regulis Lettoviae) et Graecis.
— from The History of the Decline and Fall of the Roman Empire Table of Contents with links in the HTML file to the two Project Gutenberg editions (12 volumes) by Edward Gibbon

The zealot is ever ready to break his weapon upon the obstacle he wishes to remove, but the statesman who destroys national unity in his zeal for war does not help to win it; and American intervention was both useless and impossible until the President could act with his people behind him.
— from A Short History of the Great War by A. F. (Albert Frederick) Pollard

Such a zone is easily recognized by the presence of shell holes.
— from Handy War Guide for My Company: Handy Company Commander's Guide by André Godefroy Lionel Hanguillart

"Can it be posseeble zat it ees real gold?" he asked, with a quiver of greed in his harsh voice.
— from The Pioneer Boys on the Great Lakes; or, On the Trail of the Iroquois by St. George Rathborne

[132] The new order showed itself particularly zealous in enforcing reform in the Catholic clergy, and in stemming the tide of heresy which now threatened to inundate the Church.
— from History of the Reign of Philip the Second, King of Spain, Vols. 1 and 2 by William Hickling Prescott

Again he reminds them that Justice, virgin child of Zeus, is ever ready with ear open to observe the injury to right and fair dealing done against her honor.
— from Studies of the Greek Poets (Vol 1 of 2) by John Addington Symonds

The zoarium is entirely recumbent and often appears to form an almost uniform flat layer instead of a dendritic body.
— from Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale

Generally one or several seances are passed in illegible scribblings, in making strokes, zigzags, in endless repetitions of the same letter.
— from Metapsychical Phenomena: Methods and Observations by J. (Joseph) Maxwell

The Duchess went to pay homage to their Majesties, during which visit she received so many tokens of affection from the Queen-Regent, and gave her in return such proofs of her zeal in everything relating to her service, and so much resignation to her will, that it indeed appears that length of time, distance, or thorny asperities can only prevail over common minds.
— from Political Women, Vol. 1 by Menzies, Sutherland, active 1840-1883