We all love mysteries in books and hate them in life. I’m no exception. After all, the reason we love mysteries in books is that the secret is reveal… - Dmitri Bilenkin

There is one basic fact that holds for all living things. Evil for any form of life is anything that hinders or threatens its existence; good is anything that promotes it. It’s that way everywhere, under every sun. It’s as obvious as two times two, because otherwise, if the opposite were true, life would be dooming itself to destruction. No civilization can change the criteria for good and evil without suffering for it.

The professor was lost in thought. He was disturbed and worried, but proud that he was behaving like a true scientist: he wasn’t losing his head, or panicking, or believing in miracles.

If you’ve ever heard a physicist trying to explain to a mere mortal the meaning of quantum mechanics or the theory of relativity, you’ll understand our state. Some waves or other of time overlapping so as to create time splashes that broke off from their substratum into supratime and could be controlled – that’s all I got out of Lyova’s lectures and the popular articles written by my fellow journalists. But in the long run I wasn’t too upset about it. We use electricity without knowing a thing about electrodynamics, and I have yet to see anyone who was too bothered by that fact to go on living.