Sustainability isn't a trend; it's a responsibility we all share for the planet.
My mind is my weapon. My brother has his sword, King Robert has his warhammer, and I have my mind... And a mind needs books as a sword needs a whetstone, if it is to keep its edge.
我们不是从祖先那里继承了地球;我们是从子孙那里借来的——这一信念塑造了我们所做的一切。