If God will be with me, and will keep me in this way that I go, and will give me bread to eat, and raiment to put on So that I come again to my fathe… - Jacob Bronowski

I am using the word image in a wide meaning, which does not restrict it to the mind's eye as a visual organ. An image in my usage is what Charles Pierce called a sign...

[When] we practice science (and this is true of all our experience), we are always decoding a part of nature which is not complete. We simply cannot get out of our own finiteness.

But it is of critical importance to ask ourselves what features which other animals do not possess have given human beings the very special capacities with which we are concerned in these lectures: the ability to utter cognitive sentences (which no other animal can do) and the ability therefore to exercise knowledge and imagination.