“Nothing in life is to be feared. It is only to be understood.”

“Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less.”

“Certein bodies... become luminous when heated. Their luminosity disappears after some time, but the capacity of becoming luminous afresh through heat is restored to them by the action of a spark, a...”

“I was taught that the way of progress is neither swift nor easy.”

“Be less curious about people and more curious about ideas.”

“Sometimes I had to spend a whole day mixing a boiling mass with a heavy iron rod nearly as large as myself. I would be broken with fatigue at the day's end. Other days, on the contrary, the work wo...”

“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.”

“I don't view Twitter as a promotional tool but as a really, really, really cool cocktail party.”

“I've come to a view that humans will continue to do what we do well, and that computers will continue to do what they do very well, and the two will coexist, but in different spaces.”

“From a commercial point of view, if Christmas did not exist it would be necessary to invent it.”