Not knowing is probably the best.

Future business competition will definitely be about efficiency.

诗歌的美在于其将平凡转化为非凡的能力。

Life is about creating yourself.

I suppose when they reach a certain age some men are afraid to grow up. It seems the older the men get, the younger their new wives get.

最伟大的老师是那些告诉你去哪里看，但不告诉你该看到什么的人。

We're in the business of entertainment, but we're also in the business of enlightenment.

衡量进步的真正标准不仅仅是利润，还有我们给社会和地球留下的积极影响。

译文：高兴欣喜之时不要轻易向其他人许诺，生气愤怒之时不要和其他人争执说话。赏析：人在情绪波动之时，做出的任何抉择往往都是错误的。人只有在心平气和之下，才能非常理性地做出选择。

Mathematics is a living, breathing discipline, constantly evolving with new ideas.