SB 3.5.50: You are the original personal founder of all the demigods and the orders of different gradations, yet You are the oldest and are unchanged. O Lord, You have no source or superior. You have impregnated the external energy with the semen of the total living entities, yet You are unborn.
At the beginning of time I declared two paths for the pure heart: jnana yoga, the contemplative path of spiritual wisdom, and karma yoga, the active path of selfless service. There are the fundamental different types of yoga. Bhagvad Geeta