Only he who does nothing makes a mistake.
More French Proverbs:
Always say no, and you will never be married.French
Take down a rogue from the gallows and he will hang you up.
French
Better to wear out than rust out.
French
The merchant that loses cannot laugh.
French
One for sorrow; two for mirth; three for a wedding; four for a birth.
French
When the daughter dies, the son-in-law is dead as well.
French