虽然无法改变过去，但可以改变未来。

I have learned to seek my happiness by limiting my desires， rather than in attempting to satisfy them.

艺术超越国界；它说一种人人都能理解的通用语言。

The only way to tell the truth is to speak with authority.

Teaching is not about imparting everything, but about guiding at the right moment.

建筑是使不可见之物可见的艺术。

Every problem in mathematics has a solution; it's just a matter of finding the right path.

The theory of probabilities is at bottom nothing but common sense reduced to calculus.

写作是一种思考的方式，一种理解世界的方式。