创新不仅仅是技术的问题；它关乎改变人们的思维和行为方式。

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。

Courtesy costs nothing. Lower the toilet seat after use. Let the people in the elevator exit before you enter. Return shopping carts to their designated areas. When you borrow something， return it better shape (filled up， cleaned) than when you got it.

The most profound discoveries often come from asking the simplest questions.

I'm trying my hardest, but I can't have everything. I can't have the looks, the rapping ability, the scoring, and the free throws.

网络的价值与系统连接用户数量的平方成正比。