Do what you ought, come what may.
More French Proverbs:
A man may threaten yet be afraid.French
The while we keep a man waiting, he reflects on our shortcomings.
French
Beauty, unaccompanied by virtue, is as a flower without perfume.
French
The best driver will sometimes upset.
French
No flies get into a shut mouth.
French
Suspicion is the poison of friendship.
French