Sometimes, the hardest thing and the right thing are the same.

The pace of change will never be slower than it is today.

应对不自由世界的唯一方法就是变得如此绝对自由，以至于你的存在本身就是一种反抗。

有利于国家、人民的事情就要坚定的实行，有害于国家、人民的事情就要坚定的铲除。

The chemical industry is the backbone of modern civilization, and we must treat it with the responsibility it deserves.

"The only thing that interferes with my learning is my education."

音乐是心灵的桥梁。