( I coulda said McGregor,[ them Cambell's was always fuedin with somebody] but then I couldn't wonder if members of clan McDonald will buy Cambell's soup, or if Cambells will eat a Big Mac.)
Measure twice, cut once.
Look at the nail, not the hammer. Watch the fence, not the blade.
If you hook your thumb over your belt you won't hit it with the hammer or leave it layin on the saw table.