色多多在线观看播放-色多多在线观看高清免费-色多多在线观看视频-色多多在线看-欧美aaaaa性bbbbb小妇-欧美aaaav免费大片

The wise can predict the future, fools only see the present.

The language of mathematics is universal, transcending cultural and linguistic barriers.

增長不僅僅是數字的問題；它關乎創造持久的價值。

The architecture of cognition constrains the forms of knowledge representation.

在數學中，真理不是通過共識而是通過證明來發現的。

That day, for no particular reason, I decided to go for a little run. So I ran to the end of the road, and when I got there, I thought maybe I'd run to the end of town. And when I got there, I thought maybe I'd just run across Greenbow County. Now, I figured since I'd run this far, maybe I'd just run across the great state of Alabama. And that's what I did. I ran clear across Alabama. No particular reason. I just kept on going. I ran clear to the ocean. And when I got there, I figured since I'd gone this far, might as well turn around, just keep on going. And when I got to another ocean, I figured since I'd gone this far... I might as well just turn back and keep right on going. When I got tired, I slept. When I got hungry, I ate. When I had to go... you know... I went.

你穿過的門原來是什么樣子，走過去以后也要保持那個樣子。