God, grant me the serenity to accept the things I cannot change, courage to change the things I can, and wisdom to know the difference.
Calm mind brings inner strength and self-confidence, so that's very important for good health.
The first rule is to keep an untroubled spirit. The second is to look things in the face and know them for what they are.
Gratitude makes sense of our past, brings peace for today, and creates a vision for tomorrow.
The most valuable possession you can own is an open heart. The most powerful weapon you can be is an instrument of peace.
Peace is the result of retraining your mind to process life as it is, rather than as you think it should be.