自由意味着责任，这就是为什么大多数人害怕自由。
Liberty means responsibility. That is why most men dread it.
Survival can be summed up in three words – never give up. That’s the heart of it really. Just keep trying.
Boundaries define us. They define what is me and what is not me. A boundary shows me where I end and someone else begins, leading me to a sense of ownership.
数学的快乐来自创造的行为，而不仅仅是结果。
A company’s culture shapes its innovations; integrity must be at the core.
The reward of seeing the joy on the faces of the parents is immense.