“If, years later, I do use the slit detector to observe which way the electron went, it will mean that many years earlier the electron must have passed through one slit or the other. But if I don't ...”

“If I keep observing the uranium, which means a little more than keeping my eyes on the pot on my desk and involves something akin to surrounding it with a whole system of Geiger counters, I can fre...”

“It does appear that some parts of our evolutionary process seem inevitable. It is striking that throughout evolutionary history, the eye evolved independently fifty to a hundred times. This is stro...”

“One of the most curious consequences of quantum physics is that a particle like an electron can seemingly be in more than one place at the same time until it is observed, at which point there seems...”

“To understand this new frontier, I will have to try to master one of the most difficult and counterintuitive theories ever recorded in the annals of science: quantum physics. Listen to those who ha...”

“I think science is a foreign land for many people, so I think of my role as an ambassador's job.”

“There are no conditions to which a person cannot grow accustomed, especially if he sees that everyone around him lives in the same way.”

“In western societies many people become sick in their thirties, develop serious medical conditions in their forties and are disabled in their fifties.”

“Therefore, just as water retains no constant shape, so in warfare there are no constant conditions.”

“Life is an experiment, experiment by sending as many ideas in the universe and see which idea takes off and put your heart into that.”

“Science is not about making predictions or performing experiments. Science is about explaining.”

“From the dawn of exact knowledge to the present day, observation, experiment, and speculation have gone hand in hand; and, whenever science has halted or strayed from the right path, it has been, e...”