But only in their dreams can men be truly free，Twas always thus,and always thus will be.

Le ciel est, par-dessus le toit, / Si bleu, si calme!

Factoring large numbers is believed to be hard for classical computers, but quantum computers can do it efficiently.

宇宙的初始条件是一个深刻的谜，膨胀为宇宙为何看起来如此提供了一个可能的解释。