He shall not be afraid of evil tidings. Confident in God's goodness to wards him, he will not anticipate misfortunes. They may come, as even the best man is not exempt from them; but he will not meet them half-way.
His heart is fixed; i.e. firmly established (see Psalms 112:8)—settled on a sure basis—trusting in the Lord—the one basis that is solid and immovable.