Commentaries:
Barnes' Notes
My tongue also shall talk of thy righteousness - Thy righteous character; the truthfulness, the goodness, the fidelity which thou hast manifested in delivering me. The word rendered "talk" means properly to meditate; then, to think aloud, to talk to oneself; and the idea may be, that his mind would be so full of the subject that he would give utterance to his thoughts in audible expressions when alone. It denotes fullness of heart, and language naturally flowing out from a full soul.
All the day long - Continually. This shall occupy my mind at all times. See the notes at Psalms 1:2.
For they are confounded ... - That is, they are put to confusion; they are disappointed in their hopes; they are defeated in their plans. The psalmist sees this to be so certain that he speaks of it as if it were already done. The Psalms often conclude in this way. They begin in trouble, they end in joy; they begin in darkness, they end in light; they begin with a desponding mind, they end with a triumphant spirit; they begin with prayer, they end in praise. On the "language" used here, see the notes at Psalms 71:13. On such a "close" of the Psalms, see Psalms 3:7-8; Psalms 6:9-10; Psalms 7:17; Psalms 17:15; Psalms 22:30-31; Psalms 26:12; Psalms 42:11; Psalms 43:5; Psalms 52:8-9.
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