1. Can it be true that half the world has no idea what pleasures the other half experiences?

2.We grow old more through indolence than through age.

3.Life is a petty thing unless there is pounding within it an enormous desire to extend its boundaries.

4. The past is the only dead thing that smells sweet.

5. Chance is always powerful, let your hook always be cast. In the pool where you least   expect it there will be fish.

6. Nothing is more responsible for the good old days than a bad memory.

7. You can't pay cash for wisdom. It comes to you on the installment plan

8. There is only one way to acquire wisdom, but when it comes to making a fool of yourself, you have thousands of different ways.

9. It takes a wise person to know when they are fighting for a principle or merely defending a prejudice.

10. Bravery is not the absence of fear, rather it is the ability to conquer one's fear.

11. A dog in a kennel barks at his fleas; a dog hunting does not notice them.

12. The wise adapt themselves to circumstances, as water adapts itself to the pitcher.

13. The best way to predict the future is to invent it.

14. Procrastination is the thief of time.

15. Make no promises when you are seized by joy; write no letters when you are seized by anger.

16. There is no cure for birth and death, save to enjoy the interval.