This "anhthropause" we are experiencing with COVID actually disputes your claim (if all humanity will perished Nothing will be changed in this world .). The rebound and response being experienced by wildlife of all kinds shows how much better Nature would be without human activity.

Also, "... you know!!!!, the world can complete its journey Without you " presumes that the Earth is on a predetermined journey or destination. Just the opposite is true. The Earth evolves and reacts to circumstances at the time. It's not really going anywhere or travelling from anywhere in particular.