No doubt Jack the Ripper excused himself on the grounds that it was human nature.
I'm not lost for I know where I am. But however, where I am may be lost.
Golf is so popular simply because it is the best game in the world at which to be bad.
A Fly can't bird, but a bird can fly.
Of beer, an enthusiast has said that it could never be bad, but that some brands might be better than others.
Owl hasn't exactly got Brain, but he Knows Things.