追求数学知识是一段永无止境的旅程。
"Memory is what we thought we'd forgotten; it's what we have forgotten we've forgotten."
"La vida es una serie de momentos que se convierten en recuerdos."
I'm not intimidated by anyone. Everyone is made the same. God put us all here for the same purpose.
If you cannot do it, then teach.
The material is not just a skin, it’s the soul of the building.