"An optimist is a guy that has never had much experience."
"Life can only be understood backwards but it must be lived forwards."Don Marquis on Soren Kierkegaard
"The only source of knowledge is experience."Don Marquis on Albert Einstein
"Experience: that most brutal of teachers. But you learn, my God do you learn."Don Marquis on C. S. Lewis
"Experience is simply the name we give our mistakes."Don Marquis on Oscar Wilde
"A man who carries a cat by the tail learns something he can learn in no other way."Don Marquis on Mark Twain
"Age is not a particularly interesting subject. Anyone can get old. All you have to do is live long enough."
"Middle age is the time when a man is always thinking that in a week or two he will feel as good as ever."
"Of middle age the best that can be said is that a middle-aged person has likely learned how to have a little fun in spite of his troubles."
"Procrastination is the art of keeping up with yesterday."
"Punctuality is one of the cardinal business virtues: always insist on it in your subordinates."