真正的美国发现还在我们面前。我们精神、我们人民、我们强大而不朽的土地的真正实现，尚未到来。
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.
Great engineering solves problems you didn't know you had in ways you don't understand.
I don't think you can ever do your best. Doing your best is a process of trying to do your best.
The best thing about art is that it can communicate without words.