Certain Quote by Edward Teller

If you stop and think about it, the form of propulsion used today hasn't changed in over a thousand years... since the invention of…

— Peter Diamandis

You will be able to appreciate the influence of such an Engine on the future progress of science. I live in a country which…

— Charles Babbage

If it is possible, it is done. If it is impossible... it will be done.

— Evel Knievel

Yet I do seriously and on good grounds affirm it possible to make a flying chariot in which a man may sit and give…

— John Wilkins

At the present rate of progress, it is almost impossible to imagine any technical feat that cannot be achieved - if it can be…

— Arthur C. Clarke

Is it not demonstrated that a true flying machine, self-raising, self-sustaining, self-propelling, is physically impossible?

— Joseph LeConte

For decades, people have known the chemical-propulsion approach to space travel is really not going to get us that far. Chemical propulsion is essentially…

— Franklin Chang Diaz

I imagine a future aircraft, which will take off vertically, fly as usual, and land vertically. This flying machine should have no moving parts.…

— Henri Coanda

I'm doing physics because I'm curious about how it works - full speed ahead, damn the torpedoes, don't worry about whether somebody is going…

— Leonard Susskind

My Antarctic expedition is just about doable, just feasible and that's what is exciting to me. If I knew it was possible, if I…

— Ben Saunders

Astronautics, strictly speaking, will be concerned with voyages to other stars. Remarkably enough, to achieve such feats, we might not even have to leave…

— Fritz Zwicky

If it were possible - and I hope it will be some day - I'd like some sort of anti-gravity travel capsule: some way…

— James May