Conflict is the gadfly of thought. It stirs us to observation and memory. It instigates to invention. It shocks us out of sheeplike passivity, and sets us at noting and contriving.

There is no more intrepid a voyager than the philosopher.

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。

你必须活在当下。