F.B. Meyer emphasizes the importance of putting one's heart into work, asserting that true prosperity comes from heartfelt dedication. He illustrates that the heart is essential to our nature, akin to a furnace in a factory, and encourages those in unfulfilling jobs to find purpose by viewing their work as God-appointed. Meyer highlights that love can transform even the most tedious tasks into acts of service when done for the sake of others, particularly in the name of Jesus. By embracing this perspective, mundane duties can become meaningful and rewarding.