To write is to resist the forces of forgetting.
我回首前尘往事,犯下重罪的小笨蛋,我想跟他沟通让他明白,但我办不到,那个少年早就不见了,只剩下我垂老之躯。
The unexamined life is not worth living.
The history of mathematics is a history of human thought and progress.