Never Save Anything For The Swim Back
"You want to know how I did it? This is how I did it: I never saved anything for the swim back" Source
It sounds a little too raw, bordering on 'wrong advice', but the reality is this - saving nothing for the swim back is the path with the maximum probability for success. There is really no other way to state this. This way of swimming is unique in many, many ways.
Never save anything for the swim back. This simple-sounding act will ensure your path to success more than everything else you do.