In the quest for a unified theory, we must embrace the unknown and be willing to question our most cherished beliefs.
在追求统一理论的过程中，我们必须拥抱未知，并愿意质疑我们最珍视的信念。
The linear economy is a system that is fundamentally flawed. It is a system that takes, makes, and wastes.
The dinosaurs became extinct because they didn't have a space program. And if we become extinct because we don't have a space program, it'll serve us right!
距离不仅仅是一个物理概念，还是一个社会和经济概念。
