The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.
用正途去辅助别人，这便是忠诚。用歪魔邪道去引导别人，着便是奸佞。
The importance of theoretical computer science lies in its ability to provide a foundation for practical applications.
Investors should focus on what they can control: costs, diversification, and time horizon.
The architect must be a leader.
The most dangerous art is the kind that makes you think.