David Attenborough

The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.

Every species has its own story to tell.

I have been lucky to see the world change.

Climate change is the greatest threat we face.

The joy of life is in the diversity of life.

We cannot solve problems with the same thinking we used to create them.

The natural history of the world is a story of life.

I regret not having done more to protect the environment earlier.

Humor is a way to cope with the absurdities of life.

The future depends on what we do today.

Evolution is the greatest show on Earth.

Peace is the beauty of life. It is winning. It is the smile on the face of the earth.

We are part of nature, not apart from it.

The extinction of a species is a loss to the world.

I believe in the power of education to change the world.

The wild is not a luxury, it is essential.

Life on Earth is under extraordinary threats.

Curiosity is the engine of achievement.

The beauty of the natural world is beyond words.

We must act now or pay later.