Proverbios 1:3

3. To receive (acquire) the instruction (discipline) of wisdom Rather, prudence, thoughtfulness.

Justice צדק , tsedhek, rightness, rectitude; and judgment, משׁפשׂ , mishpat, a word of comprehensive meaning, including all distinction, regulation, ordering, right, custom. It seems to have special reference to administrative justice, or doing right in official capacity, never trespassing upon the rights of others, but preserving and defending them. Hence it is frequently joined with tsedhek “justice and judgment.” Perhaps the two terms, when definitely used, may correspond to morality in social and civil relations.

Equity משׁרים , mesharim, ( plural,) equities or rectitudes, straightforwardness, from ישׁר , yashar, to be straight, even, smooth, right. The plural here may indicate that it is used in its most comprehensive sense. The whole may be paraphrased thus: The design of my instructions is to enable you to acquire an intelligent discipline, or habit of prudence in your personal conduct, of morality in your social and civil relations, and of rectitude in all things.