在敢于开拓新天地之前，你必须先有勇气告别海岸。
You cannot swim for new horizons until you have courage to lose sight of the shore.
Sensations are the elementary facts of consciousness.
幸福不是好运或外部事件的结果，而是我们解释这些事件的方式。
The duty of the Government is to leave commerce to its own capital and credit as well as all other branches of business.
解释：伟大而不骄傲，勤劳而不自夸有功。
我是那些认为科学具有巨大美的人之一。