The heart of a mother is a deep abyss at the bottom of which you will always find forgiveness.

效率能够让你做到你以前不曾做到的事情。

Mental life is a continuous adjustment to internal and external demands.

我在追随自然，却无法完全抓住她。

数学家是将咖啡转化为定理的装置。

The study of the mind must be strictly empirical.

用黄金打造的船不能在波涛汹涌的江面上航行，用玉雕琢的马不能驰骋在千里路途上。

We are all given one thing by which our lives are measured, one determination.

What fun was it without having me around?