The little honesty that exists among authors is discernible in the unconscionable way they misquote from the writings of others. – Arthur Schopenhauer, “On Authorship and Style,” translated from German by Mrs. R

In the mountains the shortest route is from peak to peak but for that you must have long legs. Aphorisms should be peaks, and those to whom they are spoken should be big and tall of stature. – Friedrich Nietzsche (1844–1900), “Of Reading and Writing,” Thus Spake Zara

We prefer to think that the absence of inverted commas guarantees the originality of a thought, whereas it may be merely that the utterer has forgotten its source. – Clifton Fadiman, The American Treasury, 1455-1955, 1955

Do not shun this maxim because it is common-place. On the contrary, take the closest heed of what observant men, who would probably like to show originality, are yet constrained to repeat. Therein lies the marrow of the wisdom of the world. – Arthur Helps, “Chapter IV,” Companions of My Solitude, 1851