There will be times when you will be frightened and discouraged. You may feel that you are defeated. The odds of obtaining victory may appear overwhelming. At times you may feel like David trying to fight Goliath. But remember-David did win!
The reasonable man adapts himself to the world; the unreasonable one persists to adapt the world to himself. Therefore all progress depends on the unreasonable man.
Inner peace is the key: if you have inner peace, the external problems do not affect your deep sense of peace and tranquility... Without this inner peace, no matter how comfortable your life is materially, you may still be worried, disturbed or unhappy because of circumstances.