The best baby-sitters, of course, are the baby’s grandparents. You feel completely comfortable entrusting your baby to them for long periods, which is why most grandparents flee to Florida. – Dave Barry
In the present state of our knowledge, it would be useless to attempt to speculate on the remote cause of the electrical energy… its relation to chemical affinity is, however, sufficiently evident. May it not be identical with it, and an essential property of matter? – Humphry Davy