Never be afraid to challenge the status quo. That's how progress is made.

A proof of a proposition is a process the nature of which is such as to produce in us a belief in that proposition.

译文：人生不能过于安逸闲散，有了可以不断追求的事业，才能收回安逸之心。日用花费必须要节俭，只有杜绝奢靡，才能彰显勤俭的美德。赏析：生于忧患死于安乐。逸豫可以亡身，忧劳可以兴国。一个人过于安逸，就会无所事事，丧失斗志。一粥一饭当思来之不易，半丝半缕恒念物力维艰。

True innovation comes from understanding the needs of both the customer and the planet.

保持领先的唯一途径是不断创新和适应。

语言的美在于它能够表达无法表达的东西。