The end for which we were created is simply this: to know, savor, and show Christ. I've been slowing meditating upon the thoughts of John Piper in his book Seeing and Savoring Jesus Christ.
There is NO OTHER goal to the Christian life than to be fully satisfied and joyful in Christ, not the comfort of circumstances or the appeal of applause nor the security of familiarity. I hope you'll consider getting it. his website is: desiringgod.org ( a free copy in online there)