John Trapp on Matthew 25:16

Verse 16. Went and traded] Grace grows by exercise, and decaies by disuse: as that side of the teeth which is least used in chewing, is apt to have more rheum to settle upon it. Though both arms grow, yet that which a man useth, is the stronger and bigger: so is it in both gifts and graces. In birds their wings, which have been used most, are sweetest. Among trees, that which is planted and plashed against a wall, the more it is spread and laid forth in the branches, even to the least twigge, the more warmth and vigour it gets from the Sun-beams, and the more [illegible: 1 word] it beareth. So here.