最深刻的定理往往源于最简单的观察。
The deepest theorems often arise from the simplest observations.
Those who deny freedom to others, deserve it not for themselves; and, under a just God, can not long retain it.
The future belongs to those who understand how to harness technology for positive change.
爱是音乐的灵魂。
The challenges of today are the opportunities of tomorrow—if we approach them with the right mindset.