Likutei Moharan 93:3/ליקוטי מוהר"ן צ״ג:ג׳

13. And by conducting one’s business affairs faithfully one can also pray with a clear mind. For prayer, too, transcends time, since it is something that stands at the very summit of the universe (Berakhot 6b). Thus, attaining love enables one to attain expanded consciousness, so that he is able to pray with a clear mind.