Orison Swett Marden：Pushing to the Front, Excerpt 368

Cessation of brain activity does not necessarily constitute brain rest, as most great thinkers know. The men who accomplish the most brain-work, sooner or later--usually later, unfortunately--learn to give rest to one set of faculties and use another, as interest begins to flag and a sense of weariness comes. In this way they have been enabled to astonish the world by their mental achievements, which is very largely a matter of skill in exercising alternate sets of faculties, allowing rest to some while giving healthy exercise to others. The continual use of one set of faculties by an ambitious worker will soon bring him to grief. No set of brain cells can possibly set free more brain force in the combustion of thought than is stored up in them. The tired brain must have rest, or nervous exhaustion, brain fever, or even softening of the brain is liable to follow.

Source： https://www.gutenberg.org/ebooks/21291
Locator：Excerpt 368 · Verified：2026-10-19 · Verification：Short excerpt

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