Laughter is a powerful way to tap positive emotions

Laughter is a form of internal jogging. It moves your internal organs around. It enhances respiration. It is an igniter of great expectations.

Ten minutes of genuine belly laughter had an anesthetic effect and would give me at least two hours of pain-free sleep

The power of positive thinking

The trouble with most of us is that we would rather be ruined by praise than saved by criticism

Self-fulfilling prophecy always come to pass