Every person you meet is fighting battles you know nothing about. So be kind. Always. Source: Internet
For to win one hundred victories in one hundred battles is not the acme of skill. To subdue the enemy without fighting is the acme of skill. Sun Tzu
But there is suffering in life, and there are defeats. No one can avoid them. But it's better to lose some of the battles in the struggles for your dreams than to be defeated without ever knowing what you're fighting for. Paulo Coelho
If the left hand battles the right, who wins? Darkovan Proverb
Man's greatest battles are the ones he fights within himself. African Proverb
A klingon does not run away from his battles. Klingon Proverb