我们唯一需要恐惧的就是恐惧本身。

应对不自由世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反抗。

真正的喜悦精神、崇高感、超越人类的感觉，这是最高卓越的试金石，在数学中同样可以在诗歌中找到。

The only constant in life is change.

造纸业有着丰富的历史，但我们必须始终向前看。

Your time is limited, so don't waste it living someone else's life. Don't be trapped by dogma—which is living with the results of other people's thinking. Don't let the noise of others' opinions drown out your own inner voice. And most important, have the courage to follow your heart and intuition. They somehow already know what you truly want to become. Everything else is secondary.

现代物理学的挑战不仅在于找到答案，还在于提出正确的问题。