An important strand of the republican tradition warns that liberal education harms republics by promoting aristocracy, breeding an idle and skeptical class of philosophers and undermining the civic virtues on which republics depend. The American Founding generation, in its writings on education, rejected this warning and maintained instead that the open cultivation and wide dissemination of liberal learning is favorable to republican government, if not essential to its very existence. The aristocratic tendencies of liberal education would by mitigated by the diffusion of knowledge. Philosophy would show its usefulness by increasing man's power over nature and multiplying the conveniences of life. The republican virtues would be strengthened by the elucidation of their rational ground.