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

1044  Character is power.

914  In men of the highest character and noblest genius there is to be found an insatiable desire for honour, command, power, and glory.

867  Everyone has the obligation to ponder well his own specific traits of character. He must also regulate them adequately and not wonder whether someone else's traits might suit him better. The more definitely his own a man's character is, the better it fits him.

730  Curiosity is one of the permanent and certain characteristics of a vigorous mind.