Meaning of the word "never spur a willing horse" in English

What does "never spur a willing horse" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

never spur a willing horse

US /ˈnev.ər ˈspɜːr ə ˈwɪl.ɪŋ ˌhɔːrs/
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