There are two freedoms - the false, where a man is free to do what he likes; the true, where he is free to do what he ought.

The deepest problems of modern life derive from the claim of the individual to preserve the autonomy and individuality of his existence in the face of overwhelming social forces, of historical heritage, of external culture, and of the technique of life.

死和生听凭命运的安排，富与贵在于上天的决定。君子只要尽心尽力而没有过失，对人恭敬而合乎礼法，那么四海之内的人都如兄弟一般了。

思考是智慧之源。

希望是黑暗中的一束光。

因为服从是如此困难，所以相信也是如此困难。

I don't want to make money, I want to make a difference.

The quest to unify the fundamental forces of nature is one of the greatest challenges in modern physics.