The strongest weapon you have is your mind. Train it well.
可持续性不是一种趋势，而是我们对后代的责任。
When I approach a child, he inspires in me two sentiments; tenderness for what he is, and respect for what he may become.
我们都受困于自己的记忆，过去是一个我们永远无法逃脱的监狱。