正该来时，先生（老子）应时来到这世间；正该去时，先生顺时离开这世间。安于时势，顺应自然规律，哀乐就不能进入心中。
Sometimes the best ideas come from the most unexpected places.
"我不是一个词，我是一种语言。"
真相很少是纯粹的，也从不简单。
Innovation is not just about creating something new; it's about improving what already exists.
善意是耳聋者可以听懂、目盲者亦能看见的语言。
The most valuable crop we can grow is trust between farmers and consumers.