Emerson argues that books are valuable when they stimulate thought rather than replace it. Reading can expose people to ideas, experiences and perspectives beyond their own, but he warns against treating written authority as something to be accepted without question. In that sense, books are useful as a starting point for intellectual activity, not as a substitute for independent judgement.

The quotation reflects a wider argument in The American Scholar: education should develop the mind’s capacity to think for itself. Emerson sees the misuse of books in excessive dependence on inherited ideas, particularly when readers repeat the conclusions of earlier writers instead of testing or extending them. To say that books exist “to inspire” is therefore to place their highest value in what they provoke: reflection, curiosity, original thought and further inquiry.