The quarrels of friends are the opportunities of foes.
Little friends may prove great friends.
Don't let your special character and values, the secret that you know and no one else does, the truth - don't let that get swallowed up by the great chewing complacency.
A fair-minded person tries to see both sides of an argument.
I will have nought to do with a man who can blow hot and cold with the same breath.
Be content with your lot; one cannot be first in everything.