You're like a dull knife, it just ain't cutting.
Mr. that boy couldn't hit the ground if he fell out of an airplane.
One of the most pernicious effects of haste is obscurity.
These people really aim very badly.
You can't drive a Spike with a Tack Hammer
My strokes just weren't there.
Everything is vague to a degree you do not realize till you have tried to make it precise.
Most men think indistinctly, and therefore cannot speak with exactness . . .
A bull in a china shop is not a useful animal, nor is he ornamental, but there can be no doubt of his energy. The hare was full of energy, but he didn't win the race. The man who stands still is the man who keeps his ground.
A person with imprecise ideas can understand little and be of less help to others.
