Don't limp in front of the lame.
It is quite a common and vulgar thing among humans to understand, foresee, know and predict the troubles of others. But oh what a rare thing it is to predict, know, foresee and understand one's own troubles.
No clock is more regular than the belly.
Appetite comes with eating.....but thirst goes away with drinking.
Hungry bellies have no cars.
Petite ville, grand renom. Small town, great renown.