#efficacy

But the power of instruction is seldom of much efficacy, except in those happy dispositions where it is almost superfluous. ↗

— Edward Gibbon

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#dispositions #efficacy #except #happy #instruction

The metaphor is perhaps one of man's most fruitful potentialities. Its efficacy verges on magic, and it seems a tool for creation which God forgot inside one of His creatures when He made him. ↗

— Jose Ortega y Gasset

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#creatures #efficacy #forgot #fruitful #god

Every single instance of a friend's insincerity increases our dependence on the efficacy of money. ↗

— William Shenstone

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#efficacy #every #friend #increases #insincerity