Do not consider it proof just because it is written in books, for a liar who will deceive with his tongue will not hesitate to do the same with his pen.
MaimonidesFor the elements have the property of moving back to their place in a straight line, but they have no properties which would cause them to remain where they are, or to move otherwise than in a straight line. The rectilinear motions of these four elements when returning to their original place are of two kinds, either centrifugal, viz., the motion of the air and the fire; or centripedal, viz., the motion of the earth, and the water; and when the elements have reached their original place, they remain at rest.
MaimonidesHe who does not understand that a dead lion is more alive than a living dog will remain a dog.
MaimonidesIt is hard for a woman with whom an uncircumcised man has had sexual intercourse to separate from him. In my opinion this is the strongest of the reasons for circumcision.
MaimonidesAnticipate charity by preventing poverty; assist the reduced fellow man, either by a considerable gift or a sum of money or by teaching him a trade or by putting him in the way of business so that he may earn an honest livelihood and not be forced to the dreadful alternative of holding out his hand for charity. This is the highest step and summit of charity's golden ladder.
Maimonides