Materials have memory; they carry time and stories.
The person who has lived the most is not the one with the most years but the one with the richest experiences.
造纸行业有责任引领可持续实践，我们不能等待别人来教我们怎么做。
Thinking consists in envisaging, realizing structural features and structural requirements.
"To forget is to lose a part of ourselves, but to remember is to keep it alive."
I don't believe in pessimism. If something doesn't come up the way you want, forge ahead. If you think it's going to rain, it will.
Mathematics is the language with which God has written the universe.