The individual's biography is shaped by the historical and social context in which it is embedded.

我对暗示世界的事物感兴趣，而不是暗示个性的事物。

Oh,to struggle against great odds,to meet enemies undaunted.

效率能够让你做到你以前不曾做到的事情。

Do not linger to gather flowers to keep them,but walk on,for flowers will keep themselves blooming all your way.

The Worldly Hope men set their Hearts upon Turns Ashes—or it prospers; and anon, Like Snow upon the Desert's dusty Face, Lighting a little hour or two—is gone.

The mathematician's patterns, like the painter's or the poet's, must be beautiful; the ideas, like the colors or the words, must fit together in a harmonious way.