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The right pillar - Jachin - That is, He shall establish. The left pillar - Boaz, that is, in strength. These were no doubt emblematical; for notwithstanding their names, they seem to have supported no part of the building.

The Septuagint in the parallel passage (margin reference), translate Jachin and Boaz by Κατόρθωσις Katorthōsis and Ἰσχύς Ischus - “Direction” and “Strength.” The literal meaning of the names is given in the margin. The meaning was probably “God will establish in strength” (i. e. firmly) the temple and the religion connected with it.

The two brazen pillars in the porch of the temple, some think, were to teach those that came to worship, to depend upon God only, for strength and establishment in all their religious exercises. "Jachin," God will fix this roving mind. It is good that the heart be established with grace. "Boaz," In him is our strength, who works in us both to will and to do. Spiritual strength and stability are found at the door of God's temple, where we must wait for the gifts of grace, in use of the means of grace. Spiritual priests and spiritual sacrifices must be washed in the laver of Christ's blood, and of regeneration. We must wash often, for we daily contract pollution. There are full means provided for our cleansing; so that if we have our lot for ever among the unclean it will be our own fault. Let us bless God for the fountain opened by the sacrifice of Christ for sin and for uncleanness.