The human race has one really effective weapon, and that is laughter.

真理永远存在于简单之中，而不存在于事物的多样性和混乱之中。

The study of psychology is the study of life's strategies.

The best way to understand something is to try to change it.

Sit down before fact as a little child, be prepared to give up every preconceived notion, follow humbly wherever and to whatever abysses nature leads, or you shall learn nothing.  

The challenge is to make the invisible visible.

土壤不仅仅是泥土，它是文明的根基。