אֹטֵ֣ם אָ֭זְנוֹ מִזַּעֲקַת־דָּ֑ל גַּֽם־ה֥וּא יִ֝קְרָ֗א וְלֹ֣א יֵעָנֶֽה׃
Whoso stoppeth his ears at the cry of the poor, He also shall cry himself, but shall not be answered.
Read kabbalistic (mystical) interpretation of Proverbs 21:13: and classical mystical sources.