“There are many truths of which the full meaning cannot be realized until personal experience has brought it home
“Three-quarters of the sicknesses of intelligent people come from their intelligence. They need at least a doctor who can understand this sickness
“If we could give every individual the right amount of nourishment and exercise, not too little and not too much, we would have found the safest way to health
“You know more of a road by having traveled it than by all the conjectures and descriptions in the world.