"Any knowledge that doesn't lead to new questions quickly dies out: it fails to maintain the temperature required for sustaining life"

"Questions are never indiscreet, answers sometimes are"

"Life is life - whether in a cat, or dog or man. There is no difference there between a cat or a man. The idea of difference is a human conception for man's own advantage"

"Plunge boldly into the thick of life, and seize it where you will, it is always interesting"

"Question everything. Learn something. Answer nothing"

"Cats and monkeys; monkeys and cats; all human life is there"

"Telling a teenager the facts of life is like giving a fish a bath"

"It is a useless life that is not consecrated to a great ideal. It is like a stone wasted on the field without becoming a part of any edifice"

"Business is the salt of life"

"Education is a private matter between the person and the world of knowledge and experience, and has little to do with school or college"

"As soon as there is life there is danger"