The true value of a forest can't be measured in board feet alone.

The world is made of words, and if you know the words the world is made of, you can make of it whatever you wish.

人类大脑是社交大脑，它的进化是为了处理社会关系。

无法自爱就无法爱人，憎恨自己就一定会憎恨他人。

I adore simple pleasures.They are the last refuge of the complex.

The most important object of both the workmen and the management should be the training and development of each individual in the establishment, so that he can do (at his fastest pace and with the maximum of efficiency) the highest class of work for which his natural abilities fit him.

The seeds of tomorrow are planted in the research of today.