Courage Quote by Carl Sagan

we make our world significant by the courage of our questions and the depth of our answers

— Carl Sagan

“It’s so hard to balance in our minds the knowledge that ‘the world’ is mundanely ‘a planet.’ The former is so holy; the latter…

— Douglas Coupland

“The main reason for our very existence on this planet is to help preserve the existence of others...Strengthening humanity in the process.”

— Timothy Pina

This planet is our home. If we destroy the planet, we've destroyed our home, so it is fundamentally important.

— Ross Perot

“Planet Earth. Our home. Our world. What makes Earth so special? We are the only known planet to have life!”

— Alexander G. Michaels

“The sooner we wake up and realise that we have a moral duty to guide and protect this planet, the sooner things will improve…

— Mango Wodzak

“Whether we’re the largest, smallest, most or least significant thing in the universe makes for a marvelous late-night discussion. It’s not relevant to how…

— Nikki Stern

We must cultivate a universal responsibility toward each other and extend it to the planet that we have to share

— Dalai Lama

“We are not on Earth to see how important we can become, but to see how much difference we can make in the lives…

— Gordon Hinckley

The significance of our lives and our fragile planet is then determined only by our own wisdom and courage. We are the custodians of…

— Carl Sagan

“If we see our relationship to this planet in a wide and long perspective, one thing is very clear: we belong to this planet,…

— Ilchi Lee

“Earth may appear insignificant in the whole Universe, but it is the most beautiful and significant planet.”

— Sukant Ratnakar