Epigram: 1.A vividly expressed truth that is so, or not, as the case may be. 2.A dash of wit and a jigger of wisdom, flavored with surprise. – Elbert Hubbard, The Roycroft Dictionary Concocted by Ali Baba and the Bunch on R

In such a case the writer is apt to have recourse to epigrams. Somewhere in this world there is an epigram for every dilemma. – Hendrik Willem van Loon, The Liberation of Mankind, 1926

Say what you want without saying it yourself: quote. Very useful, this, sometimes lovely, and versatile, too: big thoughts in small pieces, neatly wrapped and bundled in bulk, in different flavors for different tastes. – Willis Goth Regier, Quotology, 2010

I am wonderfully pleased when I meet with any passage in an old Greek or Latin author, that is not blown upon, and which I have never met with in any quotation. – Joseph Addison, Spectator, No.464