if there's a wall in your way, smash it down
BUT keep Chesterton's Fence in mind: if you don't know why there is a wall on your way, don't go blindly smashing it down. It might be there for a reason. First make absolutely sure you know why the wall exists in the first place; only then you may proceed with the smashing.
Another month has passed and here is a new rationality quotes thread. The usual rules are: