One verse

Srimad Bhagavatam 11.13.14

11.13.14

एतावान् योग आदिष्टो मच्छिष्यै: सनकादिभि: । सर्वतो मन आकृष्य मय्यद्धावेश्यते यथा ॥ १४ ॥

etāvān yoga ādiṣṭo mac-chiṣyaiḥ sanakādibhiḥ sarvato mana ākṛṣya mayy addhāveśyate yathā

etāvān
actually this
yogaḥ
yoga system
ādiṣṭaḥ
instructed
mat-śiṣyaiḥ
by My devotees
sanaka-ādibhiḥ
headed by Sanaka-kumāra
sarvataḥ
from all sides
manaḥ
the mind
ākṛṣya
withdrawing
mayi
in Me
addhā
directly
āveśyate
is absorbed
yathā
accordingly

The actual yoga system as taught by My devotees, headed by Sanaka-kumāra, is simply this: Having withdrawn the mind from all other objects, one should directly and appropriately absorb it in Me.