Rien ne sert de courir, il faut partir à point.
Slow and steady wins the race.
Literal translation:
Nothing not serves of to run, it is necessary to leave on time.Si encore le lapin est parti à point, qu'il aurait gagne la course.
If only the rabbit had left on time, he would have won the race.
Literal translation:
If still the rabbit is left on time, that he would have won the race.