2161  True morality consists, not in following the beaten track, but in finding a new path for ourselves and in fearlessly following it.

2309  “The fool doth think he is wise, but the wise man knows himself to be a fool.”

2734  “People are just as happy as they make up their minds to be.”

697  To succeed in your mission, you must have single-minded devotion to your goal.

1089  The smaller the mind the greater the conceit.