“A university student attending lectures on general relativity i the morning and others on quantum mechanics in the afternoon might be forgiven for thinking that his professors are fools, or have neglected to communicate with each other for at least a century.”

“Time is information we don't have. Time is our ignorance.”

“It is hardly surprising that there are more things in heaven and earth, dear reader, than have been dreamed of in our philosophy - or in our physics.”

“What are we, in this boundless and glowing world?”

“A university student attending lectures on general relativity i the morning and others on quantum mechanics in the afternoon might be forgiven for thinking that his professors are fools, or have neglected to communicate with each other for at least a century.”

“To the very last, the desire to challenge oneself and understand more. And to the very last: doubt.”

“Life on Earth gives only a small taste of what can happen in the universe.”

“When Einstein died, his greatest rival, Bohr, found for him words of moving admiration. When a few years later Bohr in turn died, someone took a photograph of the blackboard in his study. There’s a drawing on it. A drawing of the ‘light-filled box’ in Einstein’s thought experiment. To the very last, the desire to challenge oneself and understand more. And to the very last: doubt”

“Once again, the world seems to be less about objects than about interactive relationships.”

“What does what we know or don't know have to do with the laws that govern the world?”

“Here, on the edge of what we know, in contact with the ocean of the unknown, shines the mystery and beauty of the world. And it’s breathtaking.”