Our ideas of what we believe to be， are not of what they are， but only of what they seem to be.

Sometimes you have to go through the darkness to get to the light.

确保和平的最佳方式是维持大国之间的权力平衡。

A 1% improvement in efficiency could mean the difference between life and death.

人体是一个等待探索的奥秘宇宙。