Earth provides enough to satisfy every man’s needs, but not every man’s greed.

– Mahatma Gandhi

Sir santhe rooke rahe, to bhi sasto jaan. (If a tree is saved even at the cost of one’s head, it’s worth it.)

– Amrita Devi Bishnoi

Until you dig a hole, plant a tree, water it and make it survive, you haven’t done a thing. You are just talking.

– Wangari Maathai

But man is a part of nature, and his war against nature is inevitably a war against himself.

– Rachel Carson

When one tugs at a single thing in nature, one finds it attached to the rest of the world.

– John Muir

Problems cannot be solved by the same level of thinking that created them.

– Albert Einstein

Never doubt that a small group of thoughtful, committed citizens can change the world; indeed, it is the only thing that ever has.

– Margaret Mead