我们要革命的缘故,因为是知道了种族的束缚、政权的束缚、经济的束缚种种不好的道理,所以要拼死命去打破他们。
在桂林学界迎会的演说,1922年1月22日
The march of invention has clothed mankind with powers of which a century ago the boldest imagination could not have dreamt.
The study of cognition requires both empirical and theoretical approaches.
Life is a series of moments, some good, some bad, but all important.
唯一真正的生活是精神的生活。