He who smiles rather than rages is always the stronger.
Has a man a more cruel foe than anger - it kills the smile and destroys the cheer.
To some men Anger is like letters carved in rock - it lasts for ages.
Anger for others is like letters written in sand - it quickly passes.
For the Yogi Anger is like letters written in water - not held at all.
It takes 11 muscles to frown and 2 to smile - don't overstrain.
Og Mandino in The Greatest Salesman wrote;
I will smile and my digestion will improve.
I will chuckle and my burdens will be lightened.
I will laugh and my life will be lengthened.
I will laugh at the world.
Laugh and the world laughs with you.
Cry and you cry alone!