"And the LORD said, Shall I hide from Abraham that thing which I do; Seeing that Abraham shall surely become a great and mighty nation, and all the nations of the earth shall be blessed in him?" (Genesis 18:17-18)
There is a common mode of speech in the Scriptures whereby the writer asks a question when an affirmation is designed. For example, in our text, when God asked of Abraham - "Shall I hide from Abraham that thing which I do?" - He really was meaning to say - "I will not hide from Abraham that thing which I do!"
Why did God resolve to make known to Abraham His purpose concerning Sodom? Because Abraham was a friend and favorite of His.
Matthew Henry, the great Bible commentator, explained it this way - "Those who by faith live a life of communion with God cannot but know more of His mind than other people..."
Abraham was a friend of God. God had a particular kindness for him and had great things in store for him. He showed himself friendly to God and God did likewise by imparting His secrets to him.
What about you? Can it be said of you that you are a true friend of God? Do you live a life of communion with Him? Do you know more of His mind than other people because of it?