A mathematician is only perfect insofar as he is a perfect man, sensitive to the beauty of truth.
Johann Wolfgang von GoetheIt is the color closest to light. In its utmost purity it always implies the nature of brightness and has a cheerful, serene, gently stimulating character. Hence, experience teaches us that yellow makes a thoroughly warm and comforting impression.
Johann Wolfgang von GoetheMathematics can remove no prejudices and soften no obduracy. It has no influence in sweetening the bitter strife of parties, and in the moral world generally its action is perfectly null.
Johann Wolfgang von Goethe