It has been said that man is a rational animal. All my life I have been searching for evidence which could support this.

科学不仅是理性的学科，也是浪漫和激情的学科。

There is only one good, which is knowledge, and one evil, which is ignorance.

"The only thing that separates us from the animals is our ability to accessorize."

元素周期表不仅仅是一张图表，它是无限可能的地图。

The novel is a mirror that reflects the complexities of human existence.