Out of all those millions and millions of planets floating around there in space, this is our planet, this is our little one, so we just got to be aware of it and take care of it.
The cultivation of trees is the cultivation of the good, the beautiful, and the ennobling in man, and for one, I wish to see it become universal.
EARTH DAY reminds the people of the world of the need for continuing care which is vital to Earth’s safety.
There are no passengers on spaceship earth. We are all crew.
The Supreme Reality of Our Time is...the Vulnerability of our Planet
The Truly Healthy environment is not merely safe but stimulating.
Man has lost the capacity to foresee and to forestall. He will end by destroying the earth.
The system of nature, of which man is a part, tends to be self-balancing, self-adjusting, self-cleansing. Not so with technology.
Man talks of a battle with Nature, forgetting that if he won the battle, he would find himself on the losing side.
A Healthy Ecology is the Basis for a Healthy Economy.
The only durable community is the one that embraces the whole planet, wild and tame.
You forget that the fruits belong to all and that the land belongs to no one.
Leave it as it is. The ages have been at work on it and man can only mar it.
The throwing out of balance of the resources of nature throws out of balance also the lives of men.
Water is finite and we have not done a great job of managing it in the past.