教育艺术必须转变为建立在人性永恒规律上的科学。

写作是探索自我未知领域的过程。

All violence consists in some people forcing others, under threat of suffering or death, to do what they do not want to do.

创新往往发生在学科的交叉点。

可持续性不是一种选择；它是能源未来的必要条件。

The true power of mathematics is not in its complexity, but in its simplicity and elegance.