A well-run quarry is a symphony of logistics, efficiency, and teamwork.

The study of complex systems has taught us that simple rules can give rise to incredibly complex behavior.

You can’t go back and change the beginning, but you can start where you are and change the ending.

有时你可能会觉得自己不够好，但你必须记住你是上帝的孩子，你被爱着。

时间旅行的难题在于，你无法前往自己不存在的地方。

世界是由故事构成的，而非原子。