For centuries it was believed that running a 4 minute mile was physically impossible. In 1954 Roger Banister did it.
In addition to his physical practice, Roger practiced in his head. Over and over he envisioned himself breaking the 4 minute barrier.
Seeing is believing.
By the end of 1957, 16 runners had broken the 4 minute mile.
Keep reading with a 7-day free trial
Subscribe to Happy Habits to keep reading this post and get 7 days of free access to the full post archives.