When you see yourself quoted in print and you’re sorry you said it, it suddenly becomes a misquotation. – Laurence J. Peter, Peter’s Quotations: Ideas for Our Times, 1977

Nevertheless, a maxim does not necessarily become a proverb. Many grubs never grow to butterflies; and a maxim is only a proverb in its caterpillar stage—a candidate for a wider sphere and longer flight than most are destined to attain. – “Proverbs Secular and Sacred,” The North British Review, February 1858

He picked something out of everything he read. – Pliny