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

你不是你自己。

代數簇的算術證明了抽象思維的力量。

Part of what you must learn is how to handle mistakes and new facts that change the odds.Life, in part, is like a poker game wherein you have to learn to quit sometimes when holding a much-loved hand.

僅僅活著是不夠的……一個人必須有陽光、自由和一朵小花。

"We are all witnesses to the same events, but we see them differently."

The world is a stage, but the audience is dead.

The good life is a process,?not a state of being.?It's a direction, not a destination.

統一自然界所有力的挑戰是一個多世紀以來推動理論物理學發展的動力。