"Do not consider that which I have written, as if it were a new invention, or a thing which I have discovered of my own accord, for I have only collected what is scattered in the books of the Sages, an…"

"The physician must be able to discern the state of health of a person from his speech, his gait, his sleep, his dreams, his appetite, his thirst, his excretions, and his thoughts."

"The greatest act of charity is to help a person become self-sufficient."

"It is a fundamental principle of our religion that a prophet may not add or subtract from a commandment, whether in the Written Torah or in the Oral Torah."

"One should see the world, and see himself as a scale with an equal balance of good and evil."