生活若无波折险阻，就会过于平淡无奇。

使较弱的论点变得更强。

我们从失败中学到的东西要比在成功中学到的东西要多得多。

我们都在等待有什么能把我们从自身中拯救出来。

Before I came here I was confused about this subject. Having listened to your lecture I am still confused. But on a higher level.

The integration of energy and digital technologies will redefine the industry.

All the choir of heaven and furniture of earth - in a word， all those bodies which compose the frame of the world - have not any subsistence without a mind.

我不是为孩子写作，我是为人写作。