“In diseases such as rickets, and particularly in scurvy, we have had for long years knowledge of a dietetic factor, but though we know how to benefit these conditions empirically, the real errors in the diet are to this day quite obscure.”
— from Scurvy, Past and Present by Alfred F. Hess

I ran sideways, shouting; I dug glad heels into the squelching soil; I splashed diamond showers from puddles with a stick; I hurled clods skywards at random, and presently I somehow found myself singing.
— from The Golden Age by Kenneth Grahame

Even if this cannot be done and real knowledge attained, it is already no small benefit to expel the false opinion of knowledge: to make men conscious of the things most needful to be known, fill them with shame and uneasiness at their own state, and rouse a pungent internal stimulus, summoning up all their energies to attack those greatest of all problems, and never rest until, as far as possible, the true solutions are reached.
— from Plato and the Other Companions of Sokrates, 3rd ed. Volume 1 by George Grote

The fear, then, of incurring such a reproach, and perhaps in some measure an instinctive love of danger, still kept me back.
— from Mauprat by George Sand

Schnitzer made a series of experiments in order to discover a mixture which, on fusing, will yield a silicate as rich as possible in silica, without being insoluble in boiling water, and he found the following proportions yielded on fusion the best silicate for the above purposes:— 100 parts of soda ash (containing 91 per cent, of Na 2 CO 3 ), and 180 of sand.
— from Cooley's Cyclopædia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume II by Richard Vine Tuson

In a room near the library some ancient relics are preserved in silver shrines or boxes, of Byzantine workmanship: they are, however, not of very great antiquity or interest; the shrines are only of sufficient size to contain two skulls and a few bones; the style and execution of the ornaments are also much inferior to many works of the same kind which are met with in ecclesiastical houses.
— from Visits to Monasteries in the Levant by Robert Curzon

Strain through cheese-cloth or jelly bag, pressing out all the juice possible; return to fire and with two pounds of sugar conk for fifteen minutes; strain again, reheat and pour into sterilized bottles thoroughly heated.
— from The International Jewish Cook Book 1600 Recipes According to the Jewish Dietary Laws with the Rules for Kashering; the Favorite Recipes of America, Austria, Germany, Russia, France, Poland, Roumania, Etc., Etc. by Florence Kreisler Greenbaum