I. The Upward Look – He Saw the Lord (6:1-4)
向上看 ─ 他看見主

II. The Inward Look – He Saw Himself (6:5-7)
向內看─ 他看見自己

III. The Outward Look – He saw the Need (6:8-11)
向外看─ 他看見需要

Conclusion: “Here I am! Send me.”
結語: 「我在這裡，請差遣我！」