I believe that man will not merely endure: he will prevail. He is immortal, not because he alone among creatures has an inexhaustible voice, but because he has a soul, a spirit capable of compassion and sacrifice and endurance.

The choices we make each day—what we buy, what we eat, how we live—all have an impact.

The true measure of a civilization is how it treats its weakest members.

The most important thing is to be honest with yourself and with your audience.

教育不仅仅是达到目的的手段，其本身就是目的。