一个人越是激进,就越能完全地进入现实,从而更好地了解它,进而改变它。
A society grows great when old men plant trees whose shade they know they shall never sit in.
Neither power nor wealth, only the scepters of art endure.
Every tree planted is a step toward healing the planet, but real change requires systemic action.
Half the world is composed of people who have something to say and can't, and the other half who have nothing to say and keep on saying it.