We have no need of other worlds. We need mirrors. We don't know what to do with other worlds. A single world, our own, suffices us; but we can't acce… - Stanisław Lem

Clarity of thought is a shining point in a vast expanse of unrelieved darkness. Genius is not so much a light as it is a constant awareness of the surrounding gloom, and its typical cowardice is to bathe in its own glow and avoid, as much as possible, looking out beyond its boundary. No matter how much genuine strength it may contain, there is also, inevitably, a considerable part that is only the pretense of that strength.

I shall immerse myself among men. I shall be silent and attentive, an appreciative companion. There will be many acquaintances, friends, women — and perhaps even a wife. For a while, I shall have to make a conscious effort to smile, nod, stand and perform the thousands of little gestures which constitute life on Earth, and then those gestures will become reflexes again. I shall find new interests and occupations; and I shall not give myself completely to them, as I shall never again give myself completely to anything or anybody.

We don't want to conquer the cosmos, we simply want to extend the boundaries of Earth to the frontiers of the cosmos.