achieving anything worthwhile (cf. prospers, here, with Josh. 1:8). Law (tôrâ) basically means ‘direction’ or ‘instruction’; it can be confined to a single command, or can extend, as here, to Scripture as a whole. 3. With this attractive picture, forming with verse 4 the centrepiece of the psalm, cf. the more elaborate passage, Jeremiah 17:5–8. The phrase its fruit in its season emphasizes both the distinctiveness and the quiet growth of the product; for the tree is no mere channel, piping the water