Even if you have read my booklet on the mystery before, I encourage you take another look at it because it has been revised to reflect some changes in my understanding of dispensational truth (nothing major). I took the booklet off my blog last October while I reconsidered and restudied some things that I had written.
13 Brethren, I count not myself to have apprehended: but this one thing I do, forgetting those things which are behind, and reaching forth unto those things which are before,
14 I press toward the mark for the prize of the high calling of God in Christ Jesus. (Phil. 3:13-14)