We are all self-righteous hypocrites.

地质学是研究自然界有机和无机领域连续变化的科学。

Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

Confidence is key, but arrogance will destroy you.

The desire for recognition, the thymotic part of the soul, is the most political part of man.

We are not selling water, we are selling health.

The beginning is the most important part of the work.