Quote of the day
If a man insisted always on being serious, and never allowed himself a bit of fun and relaxation, he would go mad or become unstable without knowing it.
Jan Swammerdam
Born: February 12, 1637
Died: February 17, 1680 (aged 43)
Bio: Jan Swammerdam was a Dutch biologist and microscopist. His work on insects demonstrated that the various phases during the life of an insect egg, larva, pupa, and adult are different forms of the same animal.