What makes you think that nonsense is bad? If they'd nurtured and cared for human nonsense over the ages the way they did intelligence, it might have turned into something of special value.

You're in a bad way! Apparently, you have developed a soul.

The moon, our own, earthly moon is bitterly lonely, because it is alone in the sky, always alone, and there is no one to turn to, no one to turn to it. All it can do is ache across the weightless airy ice, across thousands of versts, toward those who are equally lonely on earth, and listen to the endless howling of dogs. (“A Story About The Most Important Thing”)

They do not need the sun. Who needs the sun when the eyes glow? Darkness. A woolen fog has wrapped the earth, has dropped a heavy curtain. From far away, from beyond the curtain, comes the sound of drops falling on stone. Far, far away - the autumn, people, tomorrow. ("The North")

What we need in literature today are vast philosophic horizons... we need the most ultimate, the most fearsome, the most fearless "Why?" and "What next?".

There is no final one; revolutions are infinite.

The most agonising thing is to drop doubt into a man about his being a reality, three-dimensional - and not some other kind of reality.