当悲伤来临的时候,不是单个来的,而是成群结队的。
Technology should serve the forest, not exploit it.《Sustainable by Design》
The most advanced technology is useless if farmers don't trust it.
The most successful leaders are those who listen more than they speak.
数学是一门艺术,作为艺术家,你必须对自己诚实。