"The universe is a pretty big place. If it's just us, seems like an awful waste of space."

The best way to learn mathematics is to do mathematics.

I'm very suspicious of the word 'style'. It's a word that people use to categorize things when they don't understand them.

数学的力量在于它简化复杂事物的能力。

忧患使人生存发展，安逸享乐使人萎靡死亡。