1627  Man needs his difficulties because they are necessary to enjoy success,
1884  Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.
2504  True morality consists, not in following the beaten track, but in finding a new path for ourselves and in fearlessly following it.
2174  There is never enough time to do everything, but there is always enough time to do the most important thing.
920  It is the reality that. mischief that barks at a sudden clock needs much attention, with secured accuracy to oppose fright of being involved in evils.