Sticks in a bundle are unbreakable.

Kenyan Proverb

Never miss a good chance to shut up.

Will Rogers

Dream as if you'll live forever. Live as if you'll die today.

James Dean

Loss is not as bad as wanting more.

Lao Tzu

If you kick a stone in anger, you'll hurt your own foot.

Korean Proverb

Judge a tree from its fruit, not from its leaves.

Euripides