"If you ever know somebody who needs help, if you know somebody who is scared, be kind to them," he says. "If you do it at the right time, it will enter their heart, and it will be with them wherever they go, forever."
How the magic of kindness helped me survive the Holocaust
https://www.ted.com/talks/werner_reich_how_the_magic_of_kindness_helped_me_survive_the_holocaust/transcript