The legendary architect was talking about distilling the essence of form, but his aphorism applies just as well to working out, according to New York City trainer and certified six-pack haver Dan Castillo: “Due to the bombardment on social media of the rock hard bodies of fitness influencers, people believe that in order to achieve a certain look that they should be working out every day for multiple hours. The CDC also suggests combining your cardiovascular activities with two days of weekly strength training, working all major muscle groups.