教育系统的墙必须倒塌。教育不应是特权，所以有钱人的孩子才能学习。
The walls of the educational system must come down. Education should not be a privilege, so the children of those who have money can study.
The way in which men produce their means of subsistence depends first of all on the nature of the actual means they find in existence and have to reproduce.
Sustainability isn't a choice anymore—it's a necessity for survival in this industry.
