There is one small step for man, a giant leap for mankind.

The mind is the organ of biological intelligence.

The only thing we can know is that we know nothing and that is the highest flight of human wisdom.

错误像稻草，浮在表面；欲寻珍珠者，必潜至深处。

我对记忆了解得越多，就越不信任它。

Never stop learning because the world never stops changing.

I have never made but one prayer to God， a very short one: 'O Lord， make my enemies ridiculous.' And God granted it.

只有通过苦难才能理解生命的深度。