"From All People" - Advice Applicable To Our Avodas Hashem
"You cannot believe in anything in the world, if you admit even once that perhaps your opponents are right, and not you. There is but one truth in the world, and it is all yours. If you are not sure of it, stay at home; but if you are sure, don't look back"
"Don't let other people tell you what your questions should be. Don't let other people's questions become your questions."