2050  Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.

2237  There is never enough time to do everything, but there is always enough time to do the most important thing.

2514  “I am so clever that sometimes I don't understand a single word of what I am saying.”

1851  An error can never become true however many times you repeat it. The truth can never be wrong, even if no one hears it.

1487  Sometimes you can't see yourself clearly until you see yourself through the eyes of others.