That someone has never experienced some state X does not imply that they do not have a vision for the state X they wish to achieve in the future. If you want to know what someone's positive vision for the future is, ask them, "What is your vision for a better future?"; not "Have you experienced something better than this in the past?" These are two very different questions.
Most people grow up in some status quo.* That doesn't mean they can conceive of no alternative to that status quo.
Another month, another rationality quotes thread. The rules are: