几个世纪以来纸张一直是人类知识的载体，我们的责任是确保它再延续几个世纪。#
Forests are not just carbon sinks—they are life sources.
The mathematician's best work is art, a high perfect art, as daring as the most secret dreams of imagination, clear and limpid.
艺术是讲述真相的谎言。