Fearfulness and trembling are come upon me, and horror hath overwhelmed me.
Ver. 5. Fearfulness and trembling are come upon me] Fearfulness of heart, and trembling of body, Timor cordis, tremor corporis; which last falleth out, when as the spirits flying back to the heart, to relieve it, leave the outward parts destitute.
And horror hath overwhelmed me] This was David's infirmity; for he should have better fortified his heart against that cowardly passion of fear; the devil also had a finger in it. At another time David could better resolve and say, What time I am afraid I will trust in thee.