No matter what difficulties I encounter, I will continue to sing.

The main thing is to be moved, to love, to hope, to tremble, to live.

译文：年华随同时光飞快逝去，意志随同岁月而丧失。最终(像黄叶一样)枯老衰落，大多不接触世事，对社会没有任何贡献，只能悲哀困守在自己破败的房子里，那时再悔恨又怎么来得及!

解释：观察与他交游的人，就知道他的品行好坏。

Literature is the most powerful form of empathy.

The greatest use of a life is to spend it for something that will outlast it.

理论物理学对物理学家而言，就像望远镜对天文学家一样重要。