The joy of mathematics lies in the journey of discovery, not just the destination.
数学的乐趣在于发现的旅程，而不仅仅是目的地。
Success isn't owned, it's leased, and rent is due every day.
Simple can be harder than complex: You have to work hard to get your thinking clean to make it simple.
The health of the soil determines the health of the people.
The rule of recognition exists as a social fact.
A leader's vision must be clear enough to guide but flexible enough to adapt.
Most people are other people. Their thoughts are someone else’s opinions, their lives a mimicry, their passions a quotation.
The best novels are those that make us see the world differently.
To be human is to be in the world, and to be in the world is to be in time.