Don't wait until everything is just right. It will never be perfect. There will always be challenges, obstacles and less than perfect conditions. So what. Get started now. With each step you take, you will grow stronger and stronger, more and more skilled, more and more self-confident and more and more successful.

我不是科学，我是艺术。

山中有长得直的树，世上却没有直的人。

译文：该罢休的时候就赶紧罢休，这样才能赢得逍遥自在，避免让身心过度操劳。看看多少聪明杰出的人，整日忙碌奔波，最终却白白辜负了一生的志向。

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。