Chelek 29 - Ki Teitzei 3

Likkutei Sichos Vol. 29 - Ki Setzei 3 - When Does Hashem Pay the Reward for Mitzvos?If the Torah commands, “You shall pay his wages on that day,” why is the reward for mitzvos deferred until the World to Come? Since all generations share one task—making this world a dwelling for Hashem—the final reward comes only when that work is completed at the Resurrection.