A scientist who cannot prove what he has accomplished, has accomplished nothing.

- Walter Reisch

Why does man freeze to death trying to reach the North Pole? Why does man drive himself to suffer the steam and heat of the Amazon? Why does he stagg…

- Walter Reisch

This I know; the spirit of Man cannot be stopped.

- Walter Reisch

I don't sleep. I hate those little slices of death.

- Walter Reisch

There's no term to the work of a scientist.

- Walter Reisch

Don't you see what's at stake here? The ultimate aim of all science to penetrate the unknown. Do you realize we know less about the earth we live on …

- Walter Reisch

The ultimate aim of all science is to penetrate the unknown.

- Walter Reisch

Tired minds don't plan well. Sleep first, plan later.

- Walter Reisch