Ṣaṇḍa and Amarka, the teachers of Prahlāda Mahārāja, chastised and threatened their disciple in various ways and began teaching him about the paths of religion, economic development and sense gratification. This is the way they educated him.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
इति तं विविधोपायैर्भीषयंस्तर्जनादिभिः । प्रह्लादं ग्राहयामास त्रिवर्गस्योपपादनम्
iti taṃ vividhopāyairbhīṣayaṃstarjanādibhiḥ | prahlādaṃ grāhayāmāsa trivargasyopapādanam
SB 7.5.18