数学的美在于它能够简化复杂的现象。

The worth of a mental process is in its service to life.

过去通过传记的书页向我们低语。

人类对气候影响的信号已经从自然变化的噪音中显现出来。

The world is full of poetry. The air is living with its spirit; and the waves dance to the music of its melodies, and sparkle in its brightness.

凡是做学问，必须从各个方面都理解透彻，还要更进一步深入理解内在的道理。