在物理学的世界里，我们经常发现最简单的问题最难回答。
In the world of physics, we often find that the simplest questions are the hardest to answer.
Every setback is a setup for a comeback.
The night is a liar, but the dawn tells the truth.
人独自行过生命，蒙受玷污，承担罪过，痛饮苦酒，寻觅出路。