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 beauty of mathematics is that it allows us to explore the universe without ever leaving our chairs.

Mathematics advances not by the efforts of individuals alone but through the collective work of generations.

Because we are food for worms, lads. Because, believe it or not, each and every one of us in this room...is one day going to stop breathing, turn cold and die.

"El silencio es el lenguaje de Dios; todo lo demás es una pobre traducción."

He said that the world was made for men to fight in and that the worth of a thing was the worth of the fight for it.

The details are not the details. They make the design.