未经反思自省的人生不值得活。
Life is not worth living if it is not subject to reexamination.
We cannot always build the future for our youth, but we can build our youth for the future.
Every blessing ignored becomes a curse.
You'll never have a quiet world till you knock the patriotism out of the human race.
编程的艺术是组织复杂性的艺术。
我敬佩简单的快乐，那是复杂性最后避难所。
Collaboration between scientists is key to solving complex problems.