No More Learning

Third, you can see that this norm of           has two variables in the sense that, either one may be halted at this or that stage in this scale of development, along this dimension--and the idiot is precisely some- one who is halted very early on at a certain stage--[or], it is no longer the stage at which one is halted, but the speed with which one crosses this dimension--and someone who is retarded is precisely someone who, without being blocked at a certain stage, is checked at the level of his speed.