Proverbs 28:9 Kabbalah

מֵסִ֣יר אָ֭זְנוֹ מִשְּׁמֹ֣עַ תּוֹרָ֑ה גַּֽם־תְּ֝פִלָּת֗וֹ תּוֹעֵבָֽה׃

He that turneth away his ear from hearing the law, Even his prayer is an abomination.

Read kabbalistic (mystical) interpretation of Proverbs 28:9: and classical mystical sources.