保守秘密的最好方法是永远不要有秘密。

The language of chemistry is universal, transcending borders and cultures.

Attention is the taking possession by the mind, in clear and vivid form, of one out of what seem several simultaneously possible objects or trains of thought.

他凝视著生命，恰如生命之凝视自身。

没有所谓的幸福结局。