I have always been alone, but I have never been lonely.
我一直都是独自一人,但我从不感到孤独。
作一个不满足的人,胜过一只满足的猪;作一个不幸的苏格拉底,胜过作一个满足的痴人。
Sustainability is not just a trend, it's a responsibility we owe to future generations.
数学推理可以相当系统地看作是两种能力的结合运用,我们可以称之为直觉和独创性。