Earth provides enough to satisfy every man's needs， but not every man's greed.

Innovation is not just about creating new things, but also about improving what already exists.

The hour of departure has arrived，and we go our separate ways，I to die，and you to live。Which of these two is better only God knows.

对不可见事物的恐惧是每个人内心称之为宗教的自然种子。

I have so much admiration for women who are married with children and work. I don’t know how you all do it.

哲学不是一种学说，而是一种活动。