每一个行动都应当遵循道德和正义。
Every action should follow morality and justice.
A man who knows why he lives can endure any kind of life.
离散数学和连续数学之间的相互作用是一些最有趣的问题所在。
"The world is a dream, and the dream is a nightmare."
不幸福的主要原因从来都不是你身处的状况,而是你对此的想法。
I think we have a unique culture at Amazon that encourages both risk-taking and long-term thinking.