We especially need imagination in science. It is not all mathematics nor all logic but it is somewhat beauty and poetry.
Fear is proof of a degenerate mind.
Veiling truth in mystery.
Trust one who has tried.
Trust not too much to appearances.
Never let the fear of striking out keep you from playing the game.
If you have everything under control, you're not moving fast enough
Thought is an errand boy, fear a mine of...