If you expect the wise man to be as angry as the baseness of crimes requires, then he must not only be angry but go insane.
It is quality rather than quantity that matters.
Constant exposure to dangers will breed contempt for them.
Philosophy is the health of the mind.
Retirement without literary amusements is death itself, and a living tomb.
Hold fast then to this sound and wholesome rule of life; indulge the body only as far as is needful for health.