If there is a small rocket on top of a big one, and if the big one is jettisoned and the small one is ignited, then their speeds are added.

- Hermann Oberth

It is my thesis that flying saucers are real and that they are space ships from another solar system.There is no doubt in my mind that these objects …

- Hermann Oberth

It is my conclusion that UFOs do exist, are very real, and are spaceships from another or more than one solar system. They are possibly manned by int…

- Hermann Oberth

Our educational system is like an automobile which has strong rear lights, brightly illuminating the past. But looking forward things are barely disc…

- Hermann Oberth

Despite the immense distance between our own solar system (including the earth) and the nearest other solar systems, a journey from one system to ano…

- Hermann Oberth

It is my thesis that flying saucers are real and that they are space ships from another solar system. I think that they possibly are manned by intell…

- Hermann Oberth

The rockets... can be built so powerfully that they could be capable of carrying a man aloft.

- Hermann Oberth

But if we establish the working hypothesis that the UFOs are machines, we also have to assume the following: a) They are not built by human beings.…

- Hermann Oberth

This is the goal: To make available for life every place where life is possible. To make inhabitable all worlds as yet uninhabitable, and all life pu…

- Hermann Oberth