数学是一种让我们能够描述无法描述的事物的语言。
Mathematics is a language that allows us to describe the indescribable.
"In the end, we only regret the chances we didn't take."
Don't give in to your fears... If you do, you won't be able to talk to your heart.
You build your life around what you fear, and then you spend your life being afraid.