Not one of those ponderous, conscience-stricken herding-animals (who undertake to advocate the cause of egoism as conducive to the general welfare) wants to have any knowledge or inkling of the facts that the "general welfare" is no ideal, no goal, no notion that can be at all grasped, but is only a nostrum,—that what is fair to one MAY NOT at all be fair to another, that the requirement of one morality for all is really a detriment to higher men, in short, that there is a DISTINCTION OF RANK between man and man, and consequently between morality and morality.
— from Beyond Good and Evil by Friedrich Wilhelm Nietzsche

For ornithological purposes, what is needed is not glass cases full of stuffed birds on perches, but convenient drawers into each of which a great quantity of skins will go.
— from Science & Education: Essays by Thomas Henry Huxley

But that which is good is not new, and that which is new is not good.
— from Recollections of a Varied Life by George Cary Eggleston