美好的生活不是没有悲伤，而是在痛苦中能促进我们成长的生活。
The good life is not one immune to sadness, but one in which suffering contributes to our development.
"A leader's job is to help people see the future."
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
The past is a foreign country; they do things differently there.