“Education commences at the mother's knee, and every word spoken within the hearing of children tends toward the formation of character.”

“Energy, like the biblical grain of the mustard-seed, will remove mountains.”

“Disease is the retribution of outraged Nature.”

“Forty is the old age of youth, fifty is the youth of old age.”

“Real happiness is cheap enough, yet how dearly we pay for its counterfeit.”

“Doubt is the incentive to truth and inquiry leads the way.”