The Rebbe advises firmly to continue learning in yeshiva, noting true happiness lies not in wealth but in health, inner fulfillment, and meaningful life. Since Hashem provides sustenance, he should not be swayed by the yetzer hara, but pursue Torah study with diligence in Nigleh and Chassidus.
https://www.torahrecordings.com/rebbe/igroskodesh/015/013/5705