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

因果框架是科學推理的基礎。

Theorems are the milestones of mathematics.

宇宙沒有義務讓我們理解它。

The most important thing about the Internet is that it's a network of networks.

數(shù)學之美不在于其復雜性，而在于其簡潔性以及它揭示的關于宇宙的深刻真理。

If one has realised, he is that which alone is, and which alone has always been. He cannot describe that state. He can only be that.

"We are all haunted by something."

Quality is not an act, it is a habit.