Quote of the day
A person may cause evil to others not only by his actions but by his inaction, and in either case he is justly accountable to them for the injury.
Tyrocinium Chymicum

Bio: Tyrocinium Chymicum was a published set of chemistry lecture notes started by Jean Beguin in 1610 in Paris, France. It has been cited as the first chemistry textbook. Many of the preparations were pharmaceutical in nature.