了解你是否能信任某人的最好方法就是信任他们。
It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge.
试图阻止知识前进是没有好处的。无知永远不比知识好。
真正的可持续性意味着满足当今需求而不损害未来的可能性。