Back of every mistaken venture and defeat is the laughter of wisdom, if you listen. Every blunder behind us is giving a cheer for us, and only for those who were willing to fail are the dangers and splendors of life. To be a good loser is to learn how to win. I was sure there are ten men in me and I do not know or understand one of them. I could safely declare, I am an idealist. A Parisian cynic says "I believe in nothing. I am looking for clues." My statement would be : I believe in everything — I am only looking for proofs.

Incidentals (1904); this is sometimes paraphrased: "I am an idealist. I believe in everything — I am only looking for proofs."