I therefore have decided to read only the writings of men who have been executed or have risked their lives in some way.

音乐无处不在，世界唱出赞歌。

The challenges in our lives are there to strengthen our convictions. They are not there to run us over.

Do not feel absolutely certain of anything.

当安全与生产发生冲突时，安全永远是赢家。

没有所谓的"应用科学"这一特殊类别；只有科学及其应用，它们之间的关系就像果实与结出果实的树之间的关系一样。