Understanding the fundamentals is key to mastering any complex system.
这是我的人生，机不可失。
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.
我认为当你爱一个人时，你必须准备好失去他们。
In my country we go to prison first and then become President.