Note 158 — Chapter XI · THE WRITING OF THE 'ORIGIN OF SPECIES.'

The following characteristic acknowledgment of the help he received occurs in a letter to Hooker, of about this time: "I never did pick any one's pocket, but whilst writing my present chapter I keep on feeling (even when differing most from you) just as if I were stealing from you, so much do I owe to your writings and conversation, so much more than mere acknowledgments show."