When the mind tries to guess the trajectory of a future moral act and concentrates too strenuously on contradictory concepts, the concepts themselves… - Dmitri Bilenkin

He’s not a nut. His presence, it seems, really does stimulate the creative capabilities. All right. So what? For millions of people, that’s what you would call a profession. Teachers do not produce anything of material or intellectual value themselves. They transmit knowledge, and most important, stimulate the mental and moral growth of children—real teachers, of course. That is the great meaning of their profession, to disseminate their thoughts and actions in such a way that they interweave like a golden thread in someone else’s life and then come alive unrecognized in the discoveries and achievements of the future—a profession of utmost importance for society.

I'm not saying that you don't exist. You exist falsely.
"But I'm flying!"
"That's the point. A man can't fly on his own. That would be a miracle. People with little grounding in physics are apt to believe anything, but we know that there is no place for miracles in nature."

I’m sure that the fantastic descriptions of interstellar travel in the science fiction of the last century made many a heart skip a beat. I really don’t want my account to be a wet blanket, but the truth is the truth: there is nothing duller than space flight.