 Locke describes innate ideas as “some primary notions…Characters as it were stamped upon the Mind of Man, which the Soul receives in its very first Being; and brings into the world with it” (I.2.1, N: 48). In pursuing this enquiry, Locke rejects the claim that there are speculative innate principles (I.2), practical innate moral principles (I.3) or that we have innate ideas of God, identity or impossibility (I.4). Locke rejects arguments from universal assent and attacks dispositional accounts of innate principles. Thus, in considering what would count as evidence from universal assent to such propositions as “What is, is” or “It is impossible for the same thing to be and not to be” he holds that children and idiots should be aware of such truths if they were innate but that they “have not the least apprehension or thought of them”. Why should children and idiots be aware of and able to articulate such propositions? Locke says: