The heart is a compass, but it doesn’t always point north.
心是指南针，但并不总指向北方。
You are always a valuable, worthwhile human being — not because anybody says so, not because you're successful, not because you make a lot of money — but because you decide to believe it and for no other reason.
译文：心就是理。天下难道还有心外的事情、心外的道理吗?
In peace, sons bury their fathers. In war, fathers bury their sons.
The more you know, the more you can imagine. The more you imagine, the more you can know.
统一自然界所有力的挑战是一个多世纪以来推动理论物理学发展的动力。
服务是美好的，但只有在带着快乐、全心全意和自由的心态去做时才是如此。