I think the key may be that there are different kinds of seeking spoken of in Scripture.

This verse must be understood by taking into account the verses around it, and the book as a whole.

Incredibly, by the time I walked out Dad had prayed and asked Christ to forgive his sins.

Pastor Greg Laurie interviews Randy Alcorn. Taken from the message, "Big Life Issues", by Pastor Greg Laurie.

There is a difference between being a homosexual and being a homosexual activist, just as there is a difference between having an abortion and being an abortion activist. An activist is one who publicly defends and thereby promotes the sin as a cause, who attempts to morally justify it.

Can we really know in advance where we’re going when we die? The apostle John, the same one who wrote about the new heavens and New Earth, said in one of his letters, “I write these things to you who believe in the name of the Son of God so that you may know that you have eternal life” (1 John 5:13, emphasis added). 

If salvation can be lost, this requires a reversal of regeneration.

Salvation and rewards are given on a different basis, and we should be careful not to confuse them.

A person may know all the facts of the Bible and believe them to be true and still spend eternity in Hell. A person may believe that God exists, that Jesus lived, died, and was resurrected from the dead. A person can be very religious and still not know Christ.