A teacher who is attempting to teach without inspiring the pupil with a desire to learn is hammering on cold iron.
The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.
数学不仅仅是人类的发明;它具有一种独立于我们而存在的深刻现实。
人生短暂,过着过着你就没了,明白么?
"The past is always present in our lives, shaping who we are and how we see the world."