The Rishi Uddalaka renounced his favourite son Svetaketu of rigid penances, because the latter used to invite Brahmanas with false promises of entertainment.
ऋषिणोद्दालकेनापि श्वेतकेतुर्महातपाः। मिथ्या विप्रानुपचरन् संत्यक्तो दयितः सुतः॥