There are three kinds of brains. The one understands things unassisted, the other understands things when shown by others, the third understands neither alone nor with the explanations of others.
me, pro. The objectionable case of I. The personal pronoun in English has three cases, the dominative, the objectionable and the oppressive. Each is all three.
There are three stages in the revelation of truth. The first is to be ridiculed, the second is to be resisted and the third is to be considered self-evident.