"is an ambivalent figure of urban riches representing the ability to wander detached from society with no other purpose than to be an acute observer of society"
(https://en.wikipedia.org/wiki/Flâneur)
"Someone who, unlike a tourist, makes a decision opportunistically at every step to revise his schedule (or his destination) so he can imbibe things based on new information obtained."
(Nicholas Nassim Taleb, "Antifragile")
"The flâneur is not a prisoner of a plan."
(Nicholas Nassim Taleb, "Antifragile")