You say you can't? Then don't do it. That's all.
The quote "You say you can't? Then don't do it. That's all." from Cormac McCarthy's novel "The Road" reflects a straightforward perspective on personal capability and choice. It suggests that self-doubt or a lack of belief in one’s abilities can be a barrier to action. If someone believes they cannot achieve something, then the simplest response is to accept that and refrain from attempting it.
This statement serves as a reminder...