La vertu, même opprimée, est toujours vertu.

The thought of death should usher us towards whatever happens to matter most to us; it should lend us the courage to pursue the way of life we value in our hearts.

The most important quality for a researcher is persistence.

To see a world in a grain of sand, and a heaven in a wild flower, hold infinity in the palm of your hand, and eternity in an hour.

过去是一个异国；他们在那里做事的方式不同。