世界充满了来来去去的迹象和奇迹，如果你幸运的话，你可能会在它们飞过时抓住它们的尾巴。

"The past is always present in our lives, shaping our future."

The worst thing in the world that can happen to you if you're an engineer that has given your life to something is for someone to rip it off and put their name on it.

The individual has to fashion himself out of the material given by his culture.

The struggle of man against power is the struggle of memory against forgetting.

高分子化学的未来在于合成具有特定应用定制性能的新材料。