Aphorisms
“Old minds are like old horses; you must exercise them if you wish to keep them in working order.”
As quoted by Josiah Quincy III, in Looking Toward Sunset : From Sources Old and New, Original and Selected (1865) by Lydia Maria Francis Child, p. 431
Attributed
Help us to complete the source, original and additional information
John Adams 202
2nd President of the United States 1735–1826Related quotes
Letter after joining the Army (1939), quoted by Peggy Noonan in "From 'Eternity' to Here" in The Wall Street Journal (25 May 2006) http://www.opinionjournal.com/columnists/pnoonan/?id=110008422

“Hamm: Ah, the old questions, the old answers, there's nothing like them!”
Endgame (1957)

Source: undated quotes, Renoir – his life and work, 1975, p. 64 : Renoir's remark to Vollard referring to the Impressionist artists's Monet, Sisley and Pissarro.
The Nurture Assumption, chapter 2, p.42 http://books.google.com/books?id=-uKBJRMJBjcC&pg=PA42&dq=%22Birth+order+effects+are+like+those+things+that+you+think+you+see%22&hl=en&ei=KIjcTfOlH6nn0QGpgs3QDw&sa=X&oi=book_result&ct=result&resnum=1&ved=0CCwQ6AEwAA#v=onepage&q&f=false

America's lost ally https://www.washingtonpost.com/opinions/americas-lost-ally/2011/08/16/gIQAYxy8LJ_story.html?noredirect=on&utm_term=.763aa617ae9b, During the Second World War
Backbench MP
Source: Dictionary of Burning Words of Brilliant Writers (1895), P. 590.