In this world, there is no ...

In this world, there is no absolute good, no absolute evil,\
In this world, there is no absolute good, no absolute evil," the man said. "Good and evil are not fixed, stable entities, but are continually trading places. A good may be transformed into an evil in the next second. And vice versa. Such was the way of the world that Dostoevsky depicted in The Brothers Karamazov. The most important thing is to maintain the balance between the constantly moving good and evil. If you lean too much in either direction, it becomes difficult to maintain actual morals. Indeed, balance itself is the good.

Quotes from the same author

Exerting yourself to the limit over and over again, that is the essence of running. Running is painful, but the pain doesn't leave me, I can take care of it. That agrees with my mentality.
You are 27 or 28 right? It is very tough to live at that age. When nothing is sure. I have sympathy with you.
When I write about a 15-year old, I jump, I return to the days when I was that age. It's like a time machine. I can remember everything. I can feel the wind. I can smell the air. Very actually. Very vividly.
Don't pointless things have a place, too, in this far-from-perfect world? Remove everything pointless from an imperfect life, and it'd lose even its imperfection.
She's letting out her feelings. The scary thing is not being able to do that. When your feelings build up and harden and die inside, then you're in big trouble.