1923  Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.

2511  “Friendship is born at that moment when one person says to another: "What! You too? I thought I was the only one.”

1509  The greatest way to live with honor in this world is to be what we pretend to be.

1381  If you learn from defeat,you have not really lost....

613  Your most unhappy customers are your greatest source of learning