"EVERY intention which does not assert itself by deeds is a vain intention, and the speech which expresses it is idle speech. It is action which proves life and establishes will"

Next Quote

If a brain is exercised properly, anyone can grow intelligence, at any age, and potentially by a lot. Or you can just let your brain idle - and watch it slowly, inexorably, go to seed like a sedentary body.

— Michael Merzenich