The 50th prohibition is that we are forbidden from having pity on idol worshippers or from being impressed1 with anything associated with them.

The source of this commandment is G‑d's statement (exalted be He),2 "Lo techanem." ["You shall not allow them to find grace in your eyes."]

The Oral Tradition explains that this means, "Do not ascribe grace to them." It is even prohibited to say about an idol worshipper who has a beautiful appearance, "This person is beautiful," or "This person has a beautiful face," as explained in our Talmud.3

The Jerusalem Talmud, tractate Avodah Zarah4 says, "The prohibition not to ascribe grace to them counts as a prohibition."