# 2022-08-10-07-29-24 #fleeting > As cultures evolve, it becomes increasingly difficult to master more than one domain of knowledge. Nobody knows who the last Renaissance man really was, but sometime after Leonardo da Vinci it became impossible to learn enough about all of the arts and the sciences to be an expert in more than a small fraction of them. Domains have split into subdomains, and a mathematician who has mastered algebra may not know much about number theory, combinatorix, topology—and vice versa. Whereas in the past an artist typically painted, sculpted, cast gold, and designed buildings, now all of these special skills tend to be acquired by different people. > [[csikszentmihalyi1990FlowPsychologyOptimal|Flow: The Psychology of Optimal Experience]] --- - **Keywords:** - **Related:** - **Reference:**