释义：苦难是淬炼灵魂的熔炉，真正的成长都带着伤疤。

故事的力量在于它能够激发爱。

"Science is not just a collection of facts; it's a way of thinking, a way of skeptically interrogating the universe with a fine understanding of human fallibility."

膨胀的概念是宇宙在其最早的时刻经历了一段极其迅速的扩张期。