The point to remember is that a giant leap into space can be a giant leap toward peace down below.

- Willy Ley

Ideas, like large rivers, never have just one source.

- Willy Ley

The younger generation of rocket engineers is just beginning. They are of the new generation to which space travel is not going to be a dream of the …

- Willy Ley

The study of an idea is, of necessity, the story of many things. Ideas, like large rivers, never have just one source. Just as the water of a river n…

- Willy Ley

Why should we try for space travel? It cannot be a substance of any kind that can be expected to pay. It can only be something intangible, not involv…

- Willy Ley