世界需要能源，而我们的责任是负责任地提供它。
晏子春秋
教师必须相信学生的潜力。他必须在每个人身上看到神圣之火的火花。
法律规范的有效性不取决于其内容，而取决于其产生的方式。
贫困并非不可避免；它是一个可以解决的问题。
Overfishing is a problem we can solve—if we act now.
Fear not for the future, weep not for the past.
People are just as wonderful as sunsets if you let them be. When I look at a sunset, I don't find myself saying, 'Soften the orange a bit on the right hand corner.' I don't try to control a sunset. I watch with awe as it unfolds.