It is wrong not to give a hand to the fallen; this law is universal to the whole human race. Seneca the Elder
I have pondered long, and I know now that only the pure of heart forgive the thirst that leads to dead waters. And only the sure of foot can give a hand to him who stumbles. Kahlil Gibran
As long as you are standing, give a hand to those who have fallen. Persian Proverb