The practice of art isn’t to make a living. It’s to make your soul grow.

Vonnegut’s line is widely circulated from a piece of advice he gave about making art for its own sake—often linked to his remarks to students and young writers. It reflects his recurring counsel that creative work should not be justified primarily by money, prestige, or professional outcomes, but by its inner, human value. The sentiment aligns with Vonnegut’s broader public persona in his later years: a celebrated novelist frequently invited to speak, write letters, and offer moral encouragement about living decently and cultivating empathy. In circulation, the quote is commonly presented as a standalone maxim rather than embedded in a clearly cited speech transcript or published essay.

Vonnegut contrasts economic utility with inner development: art’s deepest function is not to generate income but to enlarge one’s emotional range, attention, empathy, and sense of meaning. The phrase “make your soul grow” frames artistic practice as a discipline of self-cultivation—an activity that changes the maker even if it never reaches an audience. Implicitly, the quote critiques a market-driven view of creativity and validates amateur or private art-making as intrinsically worthwhile. It also suggests that the rewards of art are cumulative and inward: the act of making becomes a way to become more fully human, rather than a means to external status.