The deterioration of every government begins with the decay of the principles on which it was founded.

发展经济学最终是为了改善人们的生活。

Millions saw the apple fall, but Newton asked why.

人类最重要的发明是发明方法本身。

身、口、意三业本质不同，但都会招致相应的果报

数学中最重要的是提出正确的问题。