He was wracked by guilt and anxiety about publishing his theory as it dismissed God from science, he was a believer and knew that others would use this to advance atheism, Thomas Huxley and others.
He went on to say that the survival of the fittest was not the only thing in his theory of survival, there were other elements to this, but he didn't elaborate what they were.
He also, in his later years, began to question his own theory of evolution.
He was wracked by guilt and anxiety about publishing his theory as it dismissed God from science, he was a believer and knew that others would use this to advance atheism, Thomas Huxley and others.
He went on to say that the survival of the fittest was not the only thing in his theory of survival, there were other elements to this, but he didn't elaborate what they were.