“You can't study the darkness by flooding it with light.”

“The love of wilderness is more than a hunger for what is always beyong reach; it is also an expression of loyalty to the earth, the earth which bore us and sustains us, the only paradise we shall e...”

“Water, water, water....There is no shortage of water in the desert but exactly the right amount , a perfect ratio of water to rock, water to sand, insuring that wide free open, generous spacing amo...”

“What is the purpose of the giant sequoia tree? The purpose of the giant sequoia tree is to provide shade for the tiny titmouse.”

“If a man's imagination were not so weak, so easily tired, if his capacity for wonder not so limited, he would abandon forever such fantasies of the supernal. He would learn to perceive in water, le...”

“The weather here is windy, balmy, sometimes wet. Desert springtime, with flowers popping up all over the place, trees leafing out, streams gushing down from the mountains. Great time of year for hi...”

“Knowledge, like air, is vital to life. Like air, no one should be denied it.”

“Science is organized knowledge. Wisdom is organized life.”

“I definitely learned a lesson this time. I know that I can be broken. I am not as tough as I thought. I see it now. At this point, it's the only thing good that came out of all of this. I know myse...”

“Without meaningful work you might as well be dead.”

“One redeeming feature of human beings is that we must work to sustain our survival. Working attaches people to reality; it creates a survival identity, and provides structure to our life. Work prov...”

“What am I living for and what am I dying for are the same question.”

“The fool doth think he is wise, but the wise man knows himself to be a fool.”

“The secret of life, though, is to fall seven times and to get up eight times.”

“It is the mark of an educated mind to be able to entertain a thought without accepting it.”