3 The happiness of the godly is likened to a tree. The tree is a familiar metaphor for the blessed life of the godly (Jer 17:7–8). In Wisdom literature, the tree is a metaphor for wisdom itself (Pr 3:18), and the wise person is likened to a tree of life in that his or her speech and activities are life-giving and restorative (Pr 11:30; 15:4). Unlike trees growing wild in wadis or planted in the fields, where the amount of rainfall varies, the tree the psalmist envisions has been planted
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