心若是牢笼，处处为牢笼，自由不在外面，而在于内心。
The psychologist must avoid all forms of mental physics.
我不会让任何人夺走我的幸福。
The best leaders are those who listen more than they speak.《Leadership in the Modern Age》
A good engineer is someone who can turn frustration into inspiration.
The greatest threat to our forests is not the axe, but indifference.