If one is serious about going back home, back to Godhead, he must consider the mercy of the Supreme Personality of Godhead the summum bonum and chief aim of life. If he is a father instructing his sons, a spiritual master instructing his disciples, or a king instructing his citizens, he must instruct them as I have advised. Without being angry, he should continue giving instructions, even if his disciple, son or citizen is sometimes unable to follow his order. Ignorant people who engage in pious and impious activities should be engaged in devotional service by all means. They should always avoid fruitive activity. If one puts into the bondage of karmic activity his disciple, son or citizen who is bereft of transcendental vision, how will one profit? It is like leading a blind man to a dark well and causing him to fall in.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
पुत्रांश्च शिष्यांश्च नृपो गुरुर्वा मल्लोककामो मदनुग्रहार्थः । इत्थं विमन्युरनुशिष्यादतज्ज्ञान् न योजयेत्कर्मसु कर्ममूढान् । कं योजयन् मनुजोऽर्थं लभेत निपातयन् नष्टदृशं हि गर्ते
putrāṃśca śiṣyāṃśca nṛpo gururvā mallokakāmo madanugrahārthaḥ | itthaṃ vimanyuranuśiṣyādatajjñān na yojayetkarmasu karmamūḍhān | kaṃ yojayan manujo'rthaṃ labheta nipātayan naṣṭadṛśaṃ hi garte
SB 5.5.15