未来は誰にもわからない。だからこそ、今を生きることが大切だ。

追求智慧的人永远不会停止探索。

心理过程因其目的而存在。

The knowledge of the circumstances of which we must make use never exists in concentrated or integrated form, but solely as the dispersed bits of incomplete and frequently contradictory knowledge which all the separate individuals possess.

数学的目标是理解宇宙的模式。