Good things do not came out of thin air

Example is ABBA member Benny Anderson saying that working from 9-5 everyday in a month' work the very good bits were 3 minutes long.


Or differently perhaps 5% of what was done was cream.


Reference:


Benny Anderson, 30 minute BBC life story interview
https://m.youtube.com/watch?list=PL9Tvu2-CfHUZyHaecFKMxoYv2a0oixr2e&params=OAFIAVgM&v=0C07MJEbejQ&mode=NORMAL