Science begets knowledge; opinion, ignorance.
And if this were so in all cases, the principle would be established, that sometimes conditions can be treated by things opposite to those from which they arose, and sometimes by things like to those from which they arose.
Things that are holy are revealed only to men who are holy.
Life is short and the art long.
What medicines do not heal, the lance will; what the lance does not heal, fire will.
A physician without a knowledge of Astrology has no right to call himself a physician.