A good horse cannot be of a bad colour.

Meaning: True worth transcends superficial appearance; judge merit by substance, not by external characteristics.

Origin: From 'A Dictionary of English Proverbs and Proverbial Phrases' (1870). Public domain.

More proverbs about Morality

A good horse often wants a good spur. — Even capable people require motivation or external pressure to perform at their best pote…
The ignorant think all things wrong which they cannot understand. — Fear of the unfamiliar breeds contempt; incomprehension masquerades as moral judgment in…
He goes not out of his way that goes to a good inn. — Detours toward virtue are worthwhile journeys, not wasteful deviations from your path.
He hath a good judgment who is apt to distrust his own. — Self-doubt in judgment reveals wisdom; overconfidence in one's own reasoning breeds folly…
Just is honest, and honest is just. — Integrity and fairness are inseparable—acting justly requires honesty, and honesty demand…
Knavery may serve for a turn, but honesty is best in the long run. — Dishonest shortcuts yield temporary gains but ultimately destroy trust and prosperity.

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