In chs. 39 and 40 of Tanya the Alter Rebbe spoke of the various worlds to which souls ascend as a result of their Torah study and spiritual service. Their level in each case is determined by the individual’s intention at the time: If the study and prayer were accompanied by love and awe generated […]

אלא מפני שכוונתו לשם שמים)   (5But since his intention is addressed to G‑d,   He is, after all, in a state of prayer, except that alien thoughts interpose.   לכך יש לה תיקון בקל, לחזור ולעלות   it is therefore easily corrected, so that [his prayer] may once again rise to the state from […]