2058  Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.

2114  Good friends, good books, and a sleepy conscience: this is the ideal life.

2247  There is never enough time to do everything, but there is always enough time to do the most important thing.

2555  “I am so clever that sometimes I don't understand a single word of what I am saying.”

1864  An error can never become true however many times you repeat it. The truth can never be wrong, even if no one hears it.