The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.

The poem is a small homeland.

数学是理性的音乐。

在广州全国学生评议会的演说，1923年8月15日

I don’t create art for fame or money. I create it because I have to.

农业的未来在于传统与创新之间的平衡。