自然知识的改进者绝对拒绝承认所谓的权威。
The improver of natural knowledge absolutely refuses to acknowledge authority as such.  
有些鸟儿是关不住的,因为它们的羽翼太耀眼。
欧洲不应是一个怀旧的洲,而应是一个充满希望的洲。
我不怕死,我怕的是不去尝试。
《在广州石围塘检阅滇均的演说》(1924年4月4日)
The true discovery of America is before us. The true fulfillment of our spirit, of our people, of our mighty and immortal land is yet to come.