The currency of leadership is not greed, but generosity.
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.
If you want respect, earn it. No one owes you anything.
Sustainable forestry isn't just about cutting trees, it's about growing civilizations.
事情不一定要改变世界才能变得重要。
The essence of mathematics is not to make simple things complicated, but to make complicated things simple.