It sometimes happens at the end of a dinner, when jokes and walnuts are cracked together, that the paternity of some trite quotation is put in question, and at once the wit of the whole company is set wool-gathering. – Frederic Swartwout Cozzens, “Phrases and Filberts,” Sayings, Wise and Otherwise

The borrowing is often honest enough, and comes of magnanimity and stoutness. A great man quotes bravely and will not draw on his invention when his memory serves him with a word as good. – Ralph Waldo Emerson, “Quotation and Originality,” Letters and Social Aims, 1876

If you don’t quote yourself, nobody else will. And you can quote me on that. – Scott Ginsberg, www.hellomynameisscott.com

As proverbs are meant to be portable, it is essential that they should be packed up in few words… – “Proverbs Secular and Sacred,” The North British Review, February 1858