Happiness depends on being free, and freedom depends on being courageous. Thucydides
If your happiness depends on what somebody else does, I guess you do have a problem. Richard Bach
He has as yet no perfect love, whose disposition towards men depends on what they are like, loving one and despising another for this or that, or sometimes loving, sometimes hating one and the same man. Blessed is the man who can love all men equally. Maximus the Confessor
The tiger depends on the forest; the forest depends on the tiger. Cambodian Proverb
The right balance depends on the weigher. Georgian Proverb
A quarter depends on cultivation. Icelandic Proverb