The aggregation of marginal gains is a philosophy of searching for a tiny margin of improvement in everything you do. Sir Dave Brailsford believed that if you broke down everything you could think of that goes into riding a bike, and then improved each one by just 1%, you would get a significant increase when you put them all together.
Most people overestimate the importance of defining moments and underestimate the value of making small improvements on a daily basis. Often it seems easier to make a radical change. The problem is that the...