因为
Marriage is encouraged in China, not by the profitableness of children, but by the liberty of destroying them.
The wise are not ashamed to seek knowledge, for they know the ocean of wisdom is boundless.
The dog is a friend of man because it judges him not by his station.
If you feel lonely, it's because you're not alone with yourself enough.
在桂林学界迎会的演说，1922年1月22日
《逐件来解释民众间对国民会议的怀疑》（二）《开国民会议与人民知识程度无干》，时间不详