"I would not sacrifice a single living mesquite tree for any book ever written. One square mile of living desert is worth a hundred 'great books' - and one brave deed is worth a thousand."

"When I saw how many people were objecting to the construction of the Thirty Meter Telescope atop Mauna Kea, I realized that there needed to be an open and honest discussion about the toxicity of the 13,796 feet very high altitude summit and the health and safety issues of astronomical observatories."

"The important concept of the solar wind is that Space is not empty. It is an energy and particle filled environment that interacts with whatever is in it! Astronomers call this 'Dark Energy'."

"The body is an organ of memory, holding traces of all our experiences. The land, too, carries the burden of all its changes. To truly see and understand a landscape is to see its depth as well as its smooth surfaces, its beauty and its scars."

"I have never been able to grasp the meaning of time. I don't believe it exists. I've felt this again and again, when alone and out in nature. On such occasions, time does not exist. Nor does the future exist."

"Wadsworth MoorWhere the millstone of skyGrinds light and shadow so purple-fineAnd has ground it so longGrinding the skin off the earthEarth bleeds her raw true darknessA land naked now as a woundThat the sun swabs and dabsWhere the miles of agony are numbnessAnd harebell and heather a euphoria."

"That lady has a piano.It’s nice, but it’s not the running of riversOr the murmuring trees make ..Who needs a piano?It’s better to have earsAnd love Nature."