What Is Instinct?

I don't see him using the analogy that way. In fact, i don't think he is even consistent about his use of the analogy here with respect to other places. What is instinct? It is merely the unthinking and mechanical exercise of inherited habit. Who originated the habit? The first animal started. Its descendants have inherited it. And how did the first one come to start it? I don't know, but it didn't think it out. Now, my idea of the meaningless term instinct is that it is merely petrified thought, solidified and made inanimate by habit. Thought, which was once alive and awake, but it becomes unconscious, walks in its sleep, so