The great difficulty in education is to get experience out of ideas.

Santayana’s remark points to a central problem of schooling: ideas can remain inert—memorized, repeated, or admired—unless they are translated into lived understanding. “Getting experience out of ideas” suggests turning concepts into tested habits of perception and action: applying principles, confronting counterexamples, and letting knowledge reshape judgment. The line also reflects Santayana’s broader philosophical naturalism and skepticism about purely abstract rationalism. Education, on this view, is not chiefly the accumulation of propositions but the cultivation of experience-informed insight—where ideas are validated, corrected, or deepened through practice, observation, and reflection.