"It is fitting for a person to direct his thoughts towards what is good and beautiful and to avoid what is ugly and shameful."

"The human soul is a divine spark, and it is capable of uniting with God."

"It is proper for man to abstain from all things that are harmful to the body, even if they are not prohibited by the Torah."

"A man should always consider himself as half meritorious and half guilty."

"Truth does not become more true by virtue of the fact that the entire world agrees with it, nor less so even if the entire world disagrees with it."