“The only way to discover the limits of the possible is to go beyond them into the impossible.”
“Any sufficiently advanced technology is indistinguishable from magic.”
“The future is merely the present in a different guise.”
“I don’t believe in astrology; I’m a Sagittarius and we’re skeptical.”
“The greatest tragedy in mankind’s entire history may be the hijacking of morality by religion.”
“It is far better to foresee even without certainty than not to foresee at all.”
“We are, all of us, so much better than the worst thing we’ve ever done.”
“The only valid test of a scientific idea is whether it stands up to experiment.”
“The only thing that will save us from the bureaucracy is its total collapse.”
“When a distinguished but elderly scientist states that something is possible, he is almost certainly right. When he states that something is impossible, he is very probably wrong.”
“The best measure of a man is what he does when he has nothing to gain.”
“The universe is a pretty big place. If it’s just us, seems like an awful waste of space.”
“Science fiction is something that could happen, not something that does happen.”
“There is hopeful symbolism in the fact that flags do not wave in a vacuum.”
“The truth is often terrifying, which is probably why we prefer it to be met by silence.”
“A war between Russia and America is unthinkable, but a nuclear war is not.”
“It is not easy for the heart to know its own strength.”
“The limits of the possible can only be defined by going beyond them into the impossible.”
“The only way to achieve the impossible is to believe it is possible.”
“The only thing that will survive of us is love.”
“The universe is under no obligation to make sense to you.”
“We are all monkeys with a vision.”
“Space travel is a tool, not a goal.”
“Every scientist is an explorer.”
“If man were to fly only when he could make it pay, he would have been left on the ground forever.”
“The only way to learn is by experience.”
“It is only by putting things together that we can see the whole picture.”
“The first rule of intelligent tinkering is to save all the parts.”
“One thing I’ve learned is that if you’re trying to achieve, there’s no shortage of people telling you you’re doing it wrong.”
“The more complex the mind, the greater the need for the simplicity of play.”
“Life is not linear.”
“The past, present, and future exist all at once, every moment.”
“The essential part of creativity is not being afraid to fail.”
“The only way to make sense out of change is to plunge into it, move with it, and join the dance.”
“The greatest danger in times of turbulence is not the turbulence—it is to act with yesterday’s logic.”
“The only way to find the limits of the possible is to go beyond them into the impossible.”
“The greatest adventure is what lies ahead.”
“It is a mistake to try to look too far ahead. The chain of destiny can only be grasped one link at a time.”
“Human beings are the result of 3.8 billion years of evolution.”
“The only way to do something great is to do something that’s never been done before.”
“The best way to predict the future is to create it.”
“Science fiction is full of things that are impossible today but will be routine tomorrow.”
“The more I learn, the less I know.”
“The universe is not hostile, nor yet is it friendly. It is simply indifferent.”
“The only way to make sense of change is to plunge into it, move with it, and join the dance.”
“It is not enough to have a good mind. The main thing is to use it well.”
“Science fiction is no more written for scientists than ghost stories are written for ghosts.”
“The only thing that will last is love.”
“The true adventure is to seek out new ideas, new worlds, and new life.”
“The human race has improved everything, except the human race.”