行为的目标总是某种驱力或需求的减少。
The goal of behavior is always the reduction of some drive or need.
Of all the things which wisdom provides to make us entirely happy, much the greatest is the possession of friendship.
Sustainability isn't a destination—it's a journey.
The secret to happiness is to face the fact that the world is horrible.
你的时间有限，所以不要浪费在过别人的生活上。
我们生产的每一件塑料制品都应该有明确的再利用或回收路径。