I think that man has a fundamental obligation to extract from himself and from the earth all that it can give; and this obligation is all the more imperative that we are absolutely ignorant of what limits - they may… — Pierre Teilhard de Chardin Copy Share Image
Our loyalties are to the species and the planet. We speak for Earth. Our obligation to survive is owed not just to ourselves but also to that Cosmos, ancient and vast, from which we spring. — Anonymous Copy Share Image
