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

沒有無聊的主題，只有無聊的作家。

The most dangerous enemy is often ourselves.

物理定律是普適的，在像銀河系中心這樣的極端環(huán)境中測試它們是至關(guān)重要的。

"We always overestimate the change that will occur in the next two years and underestimate the change that will occur in the next ten. Don't let yourself be lulled into inaction."

戲劇是最直接面對人類狀況的藝術(shù)形式。

The ultimate measure of a man is not where he stands in moments of comfort and convenience， but where he stands at times of challenge and controversy.