The bird ought not to soil its own nest.
More French Proverbs:
A civil denial is better than a rude grant.French
No longer pipe, no longer dance.
French
If the weather is fine, put on you cloak; if it rains, do as you please.
French
The abbey does not fail for want on one monk.
French
What makes us discontented with our condition is the absurdly exaggerated idea we have of the happiness of others.
French
Better the foot slip than the tongue.
French