化学的进步以新元素的发现及其性质的测定为标志。

"It is easy to forget how full the world is of people, full to bursting, and each of them imaginable and consistently misimagined."

Science is not only a discipline of reason but also one of romance and passion.

You can't change the direction of the wind, but you can adjust your sails.

Sometimes you may feel like you’re not good enough, but you have to remember that you are a child of God and that you are loved.

The individual has always had to struggle to keep from being overwhelmed by the tribe.