People are just like trees They fall after you hit them several times with an axe.
I'm finding your observations about human life to be a bit scary.
It was intended to show that human beings are weak and fragile.
If you find yourself planning to follow through on your aggressive thoughts, you need professional help to manage your emotions. It  can be dangerous to your mental health, as it can prolong or intensify depression as well as impair your ability to think and process emotions.