——《在广州商团及警察联欢会的演说》（1924年1月14日）
The universe is asymmetric and I am persuaded that life, as it is known to us, is a direct result of the asymmetry of the universe.
You have a dream, you have to protect it.
我在历史中学到的唯一东西就是：大众从未从历史中汲取教训。（11月17日名言）
I believe in Spinoza's God, Who reveals Himself in the lawful harmony of the world, not in a God Who concerns Himself with the fate and the doings of mankind.
我们不是从祖先那里继承了海洋；我们是从子孙那里借来的。