Fair use, https://en.wikipedia.org/w/index.php?curid=8970653
Einstein defined what’s nuts,
clear as day, no ifs or buts.
Doing the same, time and again
and expecting change is insane.
So when you hit a fail,
don’t hammer the bent nail.
Pull it out, start anew,
and don’t let bent nails accrue.
By B Gourley in poem, Poetry, wisdom on August 28, 2016.