How a Child Learns the Colour Yellow

i could imagine some one listening to this who's neverr anything about philosophy before feels that over the last few minutes they've learnt something about philosophy. So what's happened to that person is that they've been passive to an experience. They didn't have to go and look for it. Didn't have to say, oh, i wonder what philosophy is because philosophy came and beat them over the head with itself. That example can be expressed in a more stark form if you think about how anybody acquires a concept or the ability to recognize something. And it's that i think that plato's problem is at base. He's trying to figure out what we must understand the mind to be