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 mathematician's patterns, like the painter's or the poet's, must be beautiful; the ideas, like the colors or the words, must fit together in a harmonious way.

Every mathematical theorem is a story waiting to be told, a mystery waiting to be unraveled.

只有比別人更努力，才能比別人更成功。

幾年的愛在一瞬間的恨中被忘卻。

Hope is the most beautiful people have, as long as they do not give up,hope will always be accompanied by.

創新是任何成功組織的命脈。

物理學不僅是一門科學，它是一種思考世界的方式。

短期收益永遠不應以長期可持續性為代價。