How Do You Acquire Happiness Forever?

An aspect of the sweetness of singing to Hashem is the achieving of the Awareness of Him. This Awareness of His wisdom and of His kindliness and power is a true and enduring pleasure, and it also prepares us for the infinite happiness of the Afterlife. The endless joy of the World to Come is reserved for those who utilised their earthly life to acquire the true knowledge of G-d. — Awake, My Glory