For animals, belonging to two most distinct lines of descent, may have become adapted to similar conditions, and thus have assumed a close external resemblance; but such resemblances will not reveal—will rather tend to conceal their blood-relationship.
— from The Origin of Species by Means of Natural Selection Or, the Preservation of Favoured Races in the Struggle for Life, 6th Edition by Charles Darwin

For animals, belonging to two most distinct lines of descent, may readily become adapted to similar conditions, and thus assume a close external resemblance; but such resemblances will not reveal—will rather tend to conceal their blood-relationship to their proper lines of descent.
— 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

And in our Arthurian parallel there is a clear enough relation between the beings inhabiting the invisible realm and the Brythonic heroes and gods.
— from The Fairy-Faith in Celtic Countries by W. Y. (Walter Yeeling) Evans-Wentz

The Trisagion 76 (thrice holy,) "Holy, holy, holy, Lord God of Hosts!" is supposed, by the Greeks, to be the identical hymn which the angels and cherubim eternally repeat before the throne of God, and which, about the middle of the fifth century, was miraculously revealed to the church of Constantinople.
— 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 Trisagion (thrice holy,) "Holy, holy, holy, Lord God of Hosts!" is supposed, by the Greeks, to be the identical hymn which the angels and cherubim eternally repeat before the throne of God, and which, about the middle of the fifth century, was miraculously revealed to the church of Constantinople.
— 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

Such writers can never be really popular, any more than gold without alloy can ever really be turned to practical uses.
— from Figures of Several Centuries by Arthur Symons

21 , where A is a boom terminating in a V-shaped piece of ivory, and attached to the galvanometer suspension B. By means of a cam E, rotated by clockwork, a bar D is made to descend at stated intervals, pressing the end of A on to an inked thread G, and causing the thread to touch a paper wound round the drum C.
— from Pyrometry: A Practical Treatise on the Measurement of High Temperatures by Charles R. (Charles Robert) Darling

We find there hatchets, knives, arrow-heads, &c., but these instruments are not so almost universally made from flint, which is to a considerable extent replaced by obsidian and other hard stones.
— from Primitive Man by Louis Figuier

If he is a married man, the claims of the home are to a certain extent recognized by his Whips, but woe to the bachelor who, with no domestic excuse, steals away for two hours' relaxation.
— from Collections and Recollections by George William Erskine Russell

Two races will be living on the same ground, in close and constant economic relations, both those of employment and those of competition, speaking the same [Pg 465] language and obeying the same laws, differing, no doubt, in strength of intelligence and will, yet with many members of the weaker race superior as individual men to many members of the stronger.
— from Impressions of South Africa by Bryce, James Bryce, Viscount

The Medo-Persian troops had hitherto been considered invincible; but that magnificent soldiery was now, to a certain extent, replaced by unwilling conscripts from conquered tribes, who marched, dug, or fought under the lash of overseers.
— from A Manual of Ancient History by M. E. (Mary Elsie) Thalheimer

The dark side and the disadvantages of such a character do undoubtedly weigh heavily, but the mischief done is to a certain extent rectified by its very decided advantages.
— from The story of my struggles: the memoirs of Arminius Vambéry, Volume 2 by Ármin Vámbéry