Happiness is beneficial for the body, but it is grief that develops the powers of the mind.

The power of positive thinking is the ability to generate a feeling of certainty in yourself when nothing in the environment supports you.

电子不是一个物体，而是电磁场的一种表现。

感激是狗才会患的病。

避免麻烦的最大方法之一就是保持简单......系统经常会失控。

谦逊是农业教给我们的第一课。

The more you like yourself， the less you are like anyone else， which makes you unique.

Greatness comes from believing in yourself and your vision.