I don't need to be liked by everyone. I need to be true to myself.
The interest of the behaviorist in man's doings is more than the interest of the spectator—he wants to control man's reactions as physical scientists want to control and manipulate other natural phenomena.
除了诱惑，我可以抵抗一切。
Mathematics is the most beautiful and most powerful creation of the human spirit.
The past is a foreign country; they do things differently there.