meaning
good workmanship depends on more on the quality of the tools than it does on the way in which they are used,so to blame the tools for the bad workmanship is to attempt to excuse one's own lack of skill.
the ancient people compare them.
to dance to the rhythm of drums,bagpipes stroke.but one of her dancers dance itself is not synchronized it blames the drum beat or rhythm.
sentences
you missed work,but to blame the people that work poorly prepared. do a bad workman always blames his tools you should consider yourself too .