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.
做伟大工作的唯一途径就是热爱你所做的事。
实现明天理想的唯一障碍是今天的疑虑。