Quote of the day
I shall reconsider human knowledge by starting from the fact that we can know more than we can tell,
Friedrich Arnold
Born: January 8, 1803
Died: July 5, 1890 (aged 87)
Bio: Friedrich Arnold was professor emeritus of anatomy and physiology at Heidelberg. He read medicine at the University of Heidelberg at the same time as his elder brother, Johann Wilhelm Arnold.