When learning stops, decay sets in.

Try to see the joyful side of life. One must see the pain of life with clear eyes, and help all he can; but there is also lots of joy, and on should see that, too.

Believe in yourself, believe in your future.

Drop the idea that you are Atlas carrying the world on your shoulders. The world would go on even without you. Don't take yourself so seriously.

Practice hope. As hopefulness becomes a habit, you can achieve a permanently happy spirit.

Avoid arguments, but whenever a negative attitude is expressed, counter with a positive and optimistic opinion.

Positive thinking is how you think about a problem. Enthusiasm is how you feel about a problem. The two together determine what you do about a problem.