In the quest for a unified theory, we must embrace the unknown and be willing to question our most cherished beliefs.

The only safe thing is to take a chance.

In the ruins of our cities, we search for the fragments of our identity.

"Books are the most powerful form of magic."

Twenty years from now, you will be more disappointed by the things you didn’t do than the ones you did.So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover. （注：这句说话被部分人质疑不是由马克·吐温所说的。）