The I, that which feels, acts, and thinks. Any person's self, considered as essentially the same as any other person.
Retain the citation, but attribute it to its true author, Hamilton, not Reid. Also, after the word philosophers insert "simply." The former compiler borrowed the citation from Fleming, who omits the same word, and who refers to Reid's Works. It is incredible that the compiler was so ignorant as to suppose that Reid could have written it.