"The world is a book, and those who do not travel read only one page."
决定我们成为什么样人的,不是我们的能力,而是我们的选择。
意识像河流一样流动,总是朝着有目的的方向前进。
I do not lack the courage to think a thought all the way through, and thus far I have encountered no thought that I have feared.