If not me, who? If not now, when?

"The only real prison is fear, and the only real freedom is freedom from fear."

在科学中，最重要的品质是学术诚信。

The world is full of suffering, but it is also full of the overcoming of it.

Every setback is a setup for a comeback.

Silence in a picture book can be louder than words.

真理的概念与自由的概念不可分割。