译文：假如让青春年华虚度，到年老时只能悔恨不已。赏析：人生短暂，年华易逝，我们要珍惜每天的日子，不要蹉跎岁月。

言语有治愈和毁灭的力量。

Mathematics is the science of order and patterns, and it is this order that allows us to understand the world around us.

The next green revolution must be both productive and environmentally responsible.

写作就是抵抗，抵抗那些试图让我们沉默的力量，抵抗那些试图控制我们的力量。