有时候，最难的事情和正确的事情是同一件事。
Sometimes, the hardest thing and the right thing are the same.
Happy the man, and happy he alone, he who can call today his own.
The ultimate goal of artificial intelligence is to create machines that can perform tasks that would require intelligence if done by humans.
统一自然界所有力的挑战是一个多世纪以来推动理论物理学发展的动力。
每本小说的第一句话应该是：“相信我，这需要时间，但这里有秩序，非常微弱，非常人性化。”
Acting is not about being someone different. It's finding the similarity in what is apparently different, then finding myself in there.
The universe is a book written in the language of mathematics, and physics is the key to deciphering its pages.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.