The challenges in our lives are there to strengthen our convictions. They are not there to run us over.

To succeed in science, you need to have a passion for the truth.

凡是合理的都是存在的，凡是存在的都是合理的。

"A book is a mirror: if a fool looks in, no sage can look out."

Joy is the emotion which accompanies the fulfillment of our natures when we have lived up to our potential.

我相信一切事情的发生都有其原因。