Change is hard, but it is necessary for progress.

Those who deny freedom to others, deserve it not for themselves; and, under a just God, can not long retain it.

The only limit to our realization of tomorrow will be our doubts of today.

"A room without books is like a body without a soul."

没有好的用户体验，再好的商业模式都是空谈。

Sometimes, silence is more powerful than words.

The challenge in computer science is not just to create new technologies, but to ensure they are used ethically and responsibly.

如果我们中的任何天主教徒，没有必要的科学知识，将科学审查显示为错误的东西作为教条提出，我们信仰的真理就会在异教徒中成为笑柄。