More from John Locke
A sound mind in a sound body is a short but full description of a happy state in this world.
Some Thoughts Concerning Education (1693), Sec. 1I have always thought the actions of men the best interpreters of their thoughts.
An Essay Concerning Human Understanding (1689), Book 1, Ch. 3, sec. 3- An Essay Concerning Human Understanding (1689), Dedicatory epistle, as quoted in
More about maturity
Kurt Vonnegut1922–2007Cat’s Cradle (1963), Chapter 88
Democritus460–360 BCFreeman (1948), p. 152I live in that solitude which is painful in youth, but delicious in the years of maturity.
Albert Einstein1879–1955Out of My Later Years (1950), Ch. 2 “Self-Portrait” (1936), p. 5

