Thirukkural 902

பேணாது பெண்விழைவான் ஆக்கம் பெரியதோர் நாணாக நாணுத் தரும்.

Pēṇādu peṇviẓaivān ākkam periyatōr nāṇāka nāṇut tarum.

The man who neglects his wife and craves another's—his wealth, however great, becomes a public shame that clings to him.