The Definition of Progress

Seen in the Efrat Pharmacy:

"Doctor, I have an earache"

2000 BC: "Eat this root"

1000 AD: "Roots are for unbelievers. Pray for your health"

1850 AD: "Prayer is silly superstition. Take this pill"

1940 AD: "The pill's no good, drink this liquid"

1985 AD: "The liquid's no good, take this antibiotic"

2000 AD: "Antibiotics are artifical, eat this root"