未经测试的程序是无法正常工作的。
A program that has not been tested does not work.
每个问题都是伪装的机遇。
Every mathematical problem is a puzzle waiting to be solved, and every solution is a step closer to understanding the fabric of reality.
If winning becomes too important in a game， change the rules to make it more fun. Changing rules can become the new game.
运营效率和战略对于卓越表现都是必不可少的，但它们以非常不同的方式发挥作用。
每一个行动都应当遵循道德和正义。
法律本身并不能保证言论自由；要做到这一点，必需要所有的人都有着包容的心。
The meaning of a word is its use in the language.
Sustainability is not an option—it's a responsibility we owe to the next generation.