When two seemingly conflicting thoughts have made it to proverb or aphorism status, usually, in the ambivalence of life, both are true. – Robert Irvine Fitzhenry (1918–2008), The Harper Book of Quotations

Then your words of abuse today may turn into a universally valid principle of denigration, for words are magical formulae. They leave fingermarks behind on the brain, which in the twinkling of an eye becomes the footprints of history. One ought to watch one’s every word. – Franz Kafka, quoted by Gustav Janouch, Conversations with Kafka

…the curious hunter-up of rare quotations… the young and struggling scribbler… – William Francis Henry King, “Introduction,” Classical and Foreign Quotations, 18