> Men had gone from sons of God to sons of apes. Salvation was a lie and death was the end.

Yes, that's correct.

> There was no justice in the world, and mercy was just the delusion of fools.

You're allowed to be as just and/or merciful as you like. In fact it's encouraged. Just don't expect it from inanimate objects.

> Man was a small being in a cold universe.

OK, and?