24 I will take nothing except what the young men have eaten, and the share of the men who went with me, Aner, Eshcol, and Mamre; let them take their share."
Abraham refused to take any of the spoils because he had solemnly sworn to God, who possesses all things from His Sovereignty, that he would not take a thread of what belonged to Sodom. Abraham did not, however, impose his Spiritual standards on the younger believers.
In this can be seen how understanding the Sovereignty of God gives humility in relationship to Him...
http://www.biblenews1.com/fellowship/fellowship2.htm