- Dr. Marshall: I did it. I placed the heavy elements in the Cyclotron, particles from... out there, from quasi-stellar sources. I bombarded it. I split a crack in time and space. It'll widen... and tear. Gravity will collapse. Radiation. Contagion. It'll burn us! Burn us!
- Dr. Marshall: All my life I've followed the laws of physics. Classic laws. Now everything's slipping and sliding. There's no cause and effect.
- [prologue]
- Control Voice: In recent years, nuclear physicists have discovered a strange world of sub-atomic particles - fragments of atoms smaller than the imagination can picture, fragments of materials which do not obey the laws of gravity, anti-matter composed of inside-out material, shadow-matter which can penetrate ten miles of lead shielding. Hidden deep in the heart of strange new elements are secrets beyond human understanding - new powers, new dimensions, worlds within worlds unknown.
- [during an emergency, Dr. Marshall sways]
- Dr. Terrell: Are you all right?
- Dr. Marshall: Not too steady.
- Dr. Terrell: Radiation?
- Dr. Marshall: Maybe. I'll stay here with the women. You go on.
- [epilogue]
- Control Voice: As Man explores the secrets of the universe, strange and inscrutable powers await him, and whether these powers are to become forces of destruction or forces of construction will ultimately depend upon simple but profound human qualities - inspiration, integrity, courage.