You Uranians, morose and as black as the ancient Spaniards, who were wise in knowing so well how to burn at the stake, you are silent; I think you agree with me. But I hear you, pink Venerians, saying something about “tortures, executions, return to barbarism.” My dear Venerians, I pity you! You are incapable of philosophical, mathematical thinking. Human history moves upward in circles, like an aero. The circles are at times golden, sometimes they are bloody, but all have 360 degrees. They go from 0° to 10°, 20°, 200°, 360°⁠—and then again 0°. Yes, we have returned to zero. But for a mathematically working mind it is clear that this zero is different; it is a perfectly new zero. We started from zero to the right and came to zero on the left. Hence instead of plus zero, we are at minus zero. Do you understand?