The Rebbe advises a young man to dedicate several more years to full-time Torah study in yeshiva, especially in Eretz Yisrael. This builds spiritual strength to face modern challenges, even more so for those not entering religious professions. He emphasizes that true success, including material, depends on a strong spiritual foundation.
https://www.torahrecordings.com/rebbe/igroskodesh/015/008/5354