Every day is a new opportunity to change your life.
每一天都是改变生活的新机会。
That is what learning is. You suddenly understand something you've understood all your life, but in a new way.
The story of chemistry is the story of humanity’s quest to understand the world.
瑞士就是西方国土的“桃花源”啊。
音乐的目的是使头脑清醒和平静，从而使其容易受到神圣的影响。