The cycle of poverty begins with the abandonment of hope.
Freedom does not consist in any dreamt-of independence from natural laws, but in the knowledge of these laws, and in the possibility this gives of systematically making them work towards definite ends.
Every piece of plastic ever made still exists somewhere - that's not just a fact, it's our responsibility.
跳舞吧,就像没有人观看一样;去爱吧,就像从未受过伤害一样。