I've learned that you can't have everything and do everything at the same time.

宇宙包含过去，现在与未来。

我不会想要跳过7英尺高的障碍：我向四周寻找我可以跨过去的一英尺高的障碍。

"A writer's greatest challenge is not to find the right words, but to find the truth within those words."

应对一个不自由的世界的唯一方法，就是变得如此绝对自由，以至于你的存在本身就是一种反抗。

科学家必须有勇气捍卫自己的思想，即使它们不受欢迎。