The world's history is the world's judgment.
We must listen to the land and the animals—they have much to teach us about sustainable practices.
Sustainability is not a choice, it's a necessity.
 One foul sentence does more hurt than many foul examples. For these do but corrupt the stream;the other corrupt the fountain.
The only thing that separates successful people from the ones who aren't is the willingness to work hard.
出自北齐·颜之推《颜氏家训·勉学》。不得,不能、不可。雌黄,矿物名,可作颜料,古代用以涂改文字,后引申为信口更改、随便乱说。没有读够一定数量的书,对前人的见解没有彻底了解,是不能随便乱下结论、乱发议论的。书要多读、话要谨慎;应当谦虚向学,不可妄自尊大。
自然状态有一种自然法规来管理它,这使每个人都有义务,而这种法则就是理性,它教导所有愿意咨询它的人...没有人应该侵犯他人的生命、健康、自由或财产。
Profit that depletes the planet is no profit at all.
Success is not about the money, it's about the journey.