教导如何在没有确定性的情况下生活，但又不被犹豫所束缚，或许是哲学在我们这个时代，可以为学习它的人所做的主要事情。
To teach how to live without certainty and yet without being paralyzed by hesitation is perhaps the chief thing that philosophy， in our age， can do for those who study it.
大自然将人类置于两位至高无上的主宰之下，痛苦和快乐。
I am happy and proud of what I have done， but not completely satisfied.
The problem with the world is that the intelligent people are full of doubts, while the stupid ones are full of confidence.
Reason is the sovereign of all.
Life is just a series of trying to make up your mind.
Sustainability is not a choice; it's an imperative for long-term success.
