“ | I took much pleasure in watching the habits of birds, and even made notes on the subject. In my simplicity I remember wondering why every gentleman did not become an ornithologist. | ” |
- ^ Gaither, C.C.; Cavazos-Gaither, A.E. (2012). Gaither's Dictionary of Scientific Quotations. Springer New York. p. 1660. ISBN 978-1-4614-1114-7. Retrieved February 7, 2020.