我不去想过去，唯一重要的是未来。

人体是一个等待探索的奥秘宇宙。

通往成功的道路永远在建设中。

The true historian is a soldier of truth.

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.

Never confuse movement with action.