I have heard the saying "the beginning of wisdom is the definition of terms"

I have heard the saying "the beginning of wisdom is the definition of terms"

I have heard the saying "the beginning of wisdom is the definition of terms" attributed to Socrates. I can't find a dependable source for this (or for attributing it to anyone else) Can you point me to a source or let me know if you believe this attribution to be invalid ? Thanks !

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