Some notable people have done something with long-lasting and great impact, while they likely had not aspired intentionally to do so; such as Rosa Parks, for an example.
It is doubtful that she'd ever actually aspired to becoming the symbol and model of individual courage and hope, that she did become.
Many people who did not know her personally, have aspired to follow her example, of doing a simple yet extraordinary action, that helps in some small yet significant way, toward a much larger goal.