When you try to adapt the world to your expectations, you build a delusional reality, and your effectiveness decreases.
'The world is not fair. Good & evil. Luck. Right & wrong. Cheating.' — All these are artificial concepts created by humans.
The world is the way it is. It's fair and just, as the laws of physics, which are unavoidable, dictate.
You better be perspicatious and learn how the world works, using everything to your advantage.