Samuel Smiles：Self-Help, Excerpt 208

Thoroughness and accuracy are two principal points to be aimed at in study. Francis Horner, in laying down rules for the cultivation of his mind, placed great stress upon the habit of continuous application to one subject for the sake of mastering it thoroughly; he confined himself, with this object, to only a few books, and resisted with the greatest firmness “every approach to a habit of desultory reading.” The value of knowledge to any man consists not in its quantity, but mainly in the good uses to which he can apply it. Hence a little knowledge, of an exact and perfect character, is always found more valuable for practical purposes than any extent of superficial learning.

Source： https://www.gutenberg.org/ebooks/935
Locator：Excerpt 208 · Verified：2026-10-19 · Verification：Short excerpt

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