Orison Swett Marden：Pushing to the Front, Excerpt 367

Brain-workers cannot do good, effective work in one line many hours a day. When the brain is weary, when it begins to lose its elasticity and freshness, there will be the same lack of tonicity and strength in the brain product. Some men often do a vast amount of literary work in entirely different lines during their spare hours.

Source： https://www.gutenberg.org/ebooks/21291
Locator：Excerpt 367 · Verified：2026-10-19 · Verification：Short excerpt

公版作品；原文逐字取自 Project Gutenberg，仅摘录段落并附全书链接。

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