“The problem, often not discovered until late in life, is that when you look for things in life like love, meaning, motivation, it implies they are sitting behind a tree or under a rock. The most su...”

“We are all connected; To each other, biologically. To the earth, chemically. To the rest of the universe atomically.”

“The knowledge that the atoms that comprise life on earth - the atoms that make up the human body, are traceable to the crucibles that cooked light elements into heavy elements in their core under e...”

“I fear living a life where I could have accomplished something and didn't. That's what I fear. I don't fear death.”

“For me, I am driven by two main philosophies: know more today about the world than I knew yesterday and lessen the suffering of others. You'd be surprised how far that gets you.”

“I know that the molecules in my body are traceable to phenomena in the cosmos. That makes me want to grab people on the street and say: Have you HEARD THIS?”

“Were organisms; were conceived, were born, we live, we die, and we decay. But as we decay we feed the world of the living: plants and bugs and bacteria.”

“You never walk alone. Even the devil is the lord of flies.”

“...on opening the incubator I experienced one of those rare moments of intense emotion which reward the research worker for all his pains: at first glance I saw that the broth culture, which the ni...”

“I decided as long as I'm going to hell, I might as well do it thoroughly.”

“Scenery is fine -but human nature is finer”

“As for me, I have a choice between honoring that dark life I've seen so many years moving in the junipers, or of walking away and going on with my own human busyness. There is always that choice fo...”

“Nature allows one kind to kill another, it's part of the law ... you wonder if man might not be the most savage of all creatures. He's among the few that preys on nearly every other being, that con...”