“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?”

“Love never dies a natural death. It dies because we don't know how to replenish its source. It dies of blindness and errors and betrayals. It dies of illness and wounds; it dies of weariness, of wi...”

“My dear,Find what you love and let it kill you.Let it drain you of your all. Let it cling onto your back and weigh you down into eventual nothingness.Let it kill you and let it devour your remains....”

“If you gave someone your heart and they died, did they take it with them? Did you spend the rest of forever with a hole inside you that couldn't be filled?”

“Heaven is under our feet as well as over our heads.”

“Wherever forests have not been mowed down, wherever the animal is recessed in their quiet protection, wherever the earth is not bereft of four-footed life - that to the white man is an 'unbroken wi...”

“Earth is the holiest place in the Universe, loving the earth, and loving life is the way to generate positive vibrations.”

“I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettie...”

“To know the history of science is to recognize the mortality of any claim to universal truth. ”

“The scientist only imposes two things, namely truth and sincerity, imposes them upon himself and upon other scientists.”