The beauty of mathematics only shows itself to more patient followers.
The unexamined life is not worth living.
The freedom then of man, and liberty of acting according to his own will, is grounded on his having reason, which is able to instruct him in that law he is to govern himself by, and make him know how far he is left to the freedom of his own will.
幸福不是现成的东西，它来自你自己的行动。
Success tastes sweetest when it’s shared with those who helped you achieve it.
过去总是与我们同在，但它不必定义我们。