She walks in beauty like the night,Of cloudless climes and starry skies;All that's best of dark and bright，Meet in her aspect and her eyes.

The tyrant dies and his rule is over, the martyr dies and his rule begins.

The world is built on chemistry, and we are just beginning to see how.

A free press can be good or bad, but, most certainly, without freedom, the press will never be anything but bad.

Seeing comes before words. The child looks and recognizes before it can speak.

科学是微分方程式，而宗教是边界条件。