10	tn The comparative “like” does not appear in the Hebrew text, but is implied by the metaphor; it is supplied in the translation for the sake of clarity.
11	sn The metaphor “deep waters” indicates either that the words have an inexhaustible supply or that they are profound.
12	tn There is debate about the nature of the parallelism between lines 4a and 4b. The major options are: (1) synonymous parallelism, (2) antithetical parallelism (e.g., NAB, NIV, NCV) or (3) formal parallelism. Normally a vav (ו) would begin an antithetical clause; the structure and the ideas suggest that the second colon continues the idea of the first half, but in a parallel way rather than as additional predicates. The metaphors used in the proverb elsewhere describe the wise.
13	sn This is an implied comparison (hypocatastasis), the fountain of wisdom being the person who speaks. The Greek version has “fountain of life” instead of “wisdom,” probably influenced from 10:11.
14	tn The comparative “like” does not appear in the Hebrew text, but is implied by the metaphor; it is supplied for the sake of clarity.
15	sn The point of this metaphor is that the wisdom is a continuous source of refreshing and beneficial ideas.

Proverbs 18:4