A friend is the half of my life.
More Traditional Proverbs:
An optimist laughs to forget, a pessimist forgets to laugh.Traditional
Lift where you stand.
Traditional
You can drive out nature with a pitchfork but she keeps on coming back.
Traditional
An error no wider than a hair will lead a hundred miles astray.
Traditional
The one who wills is the one who can.
Traditional
There's no fool like an old fool.
Traditional