Paper can be permanent if you respect its characteristics and design accordingly.
我们必须带着同理心和目的来设计技术。
The strongest principle of growth lies in human choice.
译文：昨天还看见花开，今天就看见花落。花开花落本是无情的自然规律，别怪夜里风雨太狠——人生也是这样无常。