One is the following. Consider the two main Biblical positions concerning election:
- 1 Peter 1:2 ...elect according to the foreknowledge of God the Father...
- Ephesians 1:5 ...having predestined us to the adoption of children by Jesus Christ to Himself, according to the good pleasure of His will...
How can the two be reconciled? Well, if it's true that we're chosen strictly according to his will, then it's also true that we're chosen according to his foreknowledge (because he knows whom he has chosen "before the foundation of the world").
On the other hand, if we are chosen strictly due to his foreknowledge (he looks to the future and sees who will choose him - which makes us the chooser not the other way around by the way), then it can't also be true that we are chosen according to his will.
This seems to make it obvious that we are chosen according to his will...