נוֹתֵ֣ן לָ֭רָשׁ אֵ֣ין מַחְס֑וֹר וּמַעְלִ֥ים עֵ֝ינָ֗יו רַב־מְאֵרֽוֹת׃
He that giveth unto the poor shall not lack; But he that hideth his eyes shall have many a curse.
Read halakhic rulings (Jewish law) on Proverbs 28:27: and classical halakhic sources.