renew their strength] Heb. change, or, double (Job 14:7. &Job 29:20.) their strength. Chap. 41. 1. They shall have a new supply of strength, to enable them to bear up and hold out, when they seem utterly spent. 2 Cor. 1. 8, 9. as eagles] That flie strongly, and soar aloft. Job 39:30. Psalms 103:3. Jeremiah 49:16. they shall walk and not faint] They shall be enabled to persist and persevere to the end. Matthew 24:13. 2 Corinthians 4:16. Philippians 1:6. 2 Timothy 4:18.