Big dreams hinge on small things: one millisecond, one quarter-inch, one breath.

That’s the idea that drives the latest Nike ad, Small Dreams, in which some of the Swoosh’s biggest stars — Serena Williams, Allyson Felix, Ashton Eaton, Mo Farah and on down the list — push themselves toward big accomplishments by winning small details.

Our dreams are small. #justdoit pic.twitter.com/1FOuLN3t4y

— Nike (@Nike) March 27, 2016