Musar על אבות 6:6

I will also raise my eyes to give credit to my parents and teachers, in fulfillment of the Sages’ dictum (Megillah 15a): Whoever repeats a matter in the name of the one who said it brings redemption to the world.

Body: that one strives to help all men however he can, and lighten the burden that is upon them. As we learned: "bearing the yoke with one's fellow" (Avot 6:6). If his fellow is about to be struck by some bodily harm and he can prevent it or remove it, he should exert himself to do so.

He must possess a most pure heart, having no other motive than to bring gratification to the blessed G-d, and nothing else besides this whatsoever.