你无法回到过去改变开头，但你可以从现在开始改变结局。
You can’t go back and change the beginning, but you can start where you are and change the ending.
但是人鱼没有眼泪，所以她经受了更多的苦难。
没有人能避免成为别人认为你是的那个人。
The unknown is not something to fear, but something to embrace.
In the quest to understand quantum gravity, we are like children playing on the shore of a vast ocean, occasionally finding a smooth pebble or a pretty shell, while the great ocean of truth lies undiscovered before us.