“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?”

“Nature, too, supports our personal blossoming (if we have any quiet exposure to her) through her spontaneities, through her beauty, power, and mirroring, through her dazzling variety of species and...”

“If you cannot do it without money, its passion exists in unknown galaxies than earth's core.”

“Theres as many atoms in a single molecule of your DNA as there are stars in the typical galaxy. We are, each of us, a little universe.”

“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.”

“Witches are naturally nosy, said Miss Tick, standing up. Well, I must go. I hope we shall meet again. I will give you some free advice, though.Will it cost me anything?What? I just said it was free...”

“How can you be one of the stars of heaven, when the stars are innumerable? What star number do you have?”

“His words were full of hope and threat. Like the stars.”