Success is no accident. It is hard work, perseverance, learning, studying, sacrifice and most of all, love of what you are doing.

Success is the best revenge for anybody doubting you.

"The interplay between mathematics and computer science is a rich source of innovation."

International politics is a ruthless and dangerous business, and it is foolish to expect states to behave according to moral principles.

Liberty means responsibility. That is why most men dread it.

Sustainability is no longer an option—it's a necessity for any business that wants to thrive in the future.

The fundamental principle of security is to minimize the amount of trust you place in other components.

不要因为放弃而哭泣，要为了继续前进而哭泣。