尘土承受屈辱，却以鲜花来回报。

In things indifferent， nothing is preferable to anything else.

"A book is a conversation across time."

The city's poor are like the roots of a tree: unseen, but essential to its survival.

The true discovery of America is before us. The true fulfillment of our spirit, of our people, of our mighty and immortal land, is yet to come.