“And he said, Certainly I will be with you.” (Exodus 3:12)
If I go upon the Lord’s errand, with a simple reliance upon his power, and a single eye to his glory, it is certain that He will be with me. His sending me binds Him to back me up. Is not this enough? What more can I want?
If all the angels and archangels were with me, I might fail; but if He is with me, I must succeed.
Only let me take care that I act worthily towards this promise. Let me not go timidly, half-heartedly, carelessly, or presumptuously. What manner of person ought he to be who has God with Him! In such company (I will) play the man, and like Moses go in unto Pharaoh without fear.
– C.H Spurgeon, Daily Readings.