When converted by subsidence into large separate islands, there will still exist many individuals of the same species on each island: intercrossing on the confines of the range of each species will thus be checked: after physical changes of any kind, immigration will be prevented, so that new places in the polity of each island will have to be filled up by modifications of the old inhabitants; and time will be allowed for the varieties in each to become well modified and perfected.
— from On the Origin of Species By Means of Natural Selection Or, the Preservation of Favoured Races in the Struggle for Life by Charles Darwin

The scientific experimental method is, on the contrary, a trial of ideas; hence even when practically—or immediately—unsuccessful, it is intellectual, fruitful; for we learn from our failures when our endeavors are seriously thoughtful.
— from Democracy and Education: An Introduction to the Philosophy of Education by John Dewey

The Constitution recognizes the legislative power of the States; and a law so enacted may impair the privileges of the Union, in which case a collision in unavoidable between that body and the State which has passed the law: and it only remains to select the least dangerous remedy, which is very clearly deducible from the general principles I have before established.
— from Democracy in America — Volume 1 by Alexis de Tocqueville

From the same man came that harangue against Warren Hastings which the orator Fox called the best speech ever made in the House of Commons.
— from Pushing to the Front by Orison Swett Marden

Filipino physicians not only can but should employ many indigenous plants in their therapeutics; in many instances they would find them more useful than the exotics, which are not always fresh and are commonly reduced in strength by long keeping or damaged by some circumstance of voyage or climate.
— from The Medicinal Plants of the Philippines by T. H. (Trinidad Hermenegildo) Pardo de Tavera

Satanae est mala ingerere (saith Austin) nostrum non consentire : as Satan labours to suggest, so must we strive not to give consent, and it will be sufficient: the more anxious and solicitous thou art, the more perplexed, the more thou shalt otherwise be troubled and entangled.
— from The Anatomy of Melancholy by Robert Burton

In fact, they show excellent manners in the full meaning of this word.
— from Argonauts of the Western Pacific An Account of Native Enterprise and Adventure in the Archipelagoes of Melanesian New Guinea by Bronislaw Malinowski

But I think it is a standing truth that every man hath been under the scourge of it, one time or other, in a less or a greater degree; for, since every man is an offender, it cannot be imagined, conscience, which is natural to man, and an active faculty, should always lie idle, without doing this part of its office.
— from The Existence and Attributes of God, Volumes 1 and 2 by Stephen Charnock

Now, it is a hard thing to say that a doctrine of such eternal moment is openly professed, yet inwardly repudiated.
— from Love's Final Victory Ultimate Universal Salvation on the Basis of Scripture and Reason by Horatio

To a man whose mind is free there is something even more intolerable in the sufferings of animals than in the sufferings of men.
— from Jean-Christophe Journey's End by Romain Rolland

Maurer's analysis shows that the attrition rate was also very high in some European markets in the period following the passage of the directive—even with the new right, many companies dropped out.
— from The Public Domain: Enclosing the Commons of the Mind by James Boyle

The period of its glory was during the time of the Moguls, when it covered a space eighteen miles in circumference, and this vast extent is still strewn with the ruins of its former greatness.
— from From Egypt to Japan by Henry M. (Henry Martyn) Field

I’ll apologise for Papa Randal if you like; but if I told you the whole truth—for I did extenuate there!—and he seemed to me essential as a figure, and essential as a pawn in the game, Wiltshire’s disgust for him being one of the small, efficient motives in the story.
— from Vailima Letters Being Correspondence Addressed by Robert Louis Stevenson to Sidney Colvin, November 1890-October 1894 by Robert Louis Stevenson

The young wife with a moment of leisure who has a starved, empty mind, is a victim of her passions, her [Pg 377] surroundings and her ungoverned impulses.
— from The Eugenic Marriage, Volume 3 (of 4) A Personal Guide to the New Science of Better Living and Better Babies by W. Grant (William Grant) Hague

Surely every man is but a breath."
— from The World English Bible (WEB): Psalms by Anonymous