The highest possible stage in moral culture is when we recognize that we ought to control our thoughts.

The progress of mathematics is measured by the number of problems it can solve.

Without magic, there is no art. Without art, there is no idealism. Without idealism, there is no integrity. Without integrity, there is nothing but production.

罪行带来耻辱，而非断头台。

The best way to predict the future is to create it.