The concept of freedom is inseparable from the concept of truth.

劳动力的培训和提高是提高生产力的有效途径。

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

Economic inequality is not just a moral issue; it’s an economic one as well.

数学是给不同事物起相同名字的艺术。

当你认为你理解了一部伟大的文学作品时，你可能是错的。