A journey is a person in itself; no two are alike. And all plans, safeguards, policing, and coercion are fruitless. We find after years of struggle that we do not take a trip; a trip takes us.
In the world of computing, the boundary between the possible and the impossible is often defined by the algorithms we can devise.
History is not just about facts, but about the meanings we give them.
数学不是观赏性运动，你必须参与其中才能理解。
Concrete can be as warm as wood when it captures light.