Tirukkural 719: The Knwoledge of the Council Chamber

Those who are able to speak good things impressively in an assembly of the good should not even forgetfully speak them in that of the low.

Image of Satguru Sivaya Subramuniyaswami
Faithfulness in marriage means fidelity and much more. It includes mental faithfulness, non-flirtatiousness and modesty toward the opposite sex. A married man, for instance, should not hire a secretary who is more magnetic or more beautiful than his wife.
—Gurudeva