经济学家的理想角色是澄清社会面临的替代方案，而不是为社会做出选择。
The best way to help people is to give them the freedom to choose while gently steering them in the right direction.
You are not your circumstances, you are your possibilities.
相对论不仅仅是一种科学理论；它是一种哲学理论。
Your attitude, not your aptitude, will determine your altitude.
我试图通过我的作品来揭示人类的复杂性。
学习应使人感到快乐，否则不能称之为真正的学习。
Simplicity is a great virtue but it requires hard work to achieve it and education to appreciate it. Simplicity is the ultimate sophistication.