I have noticed many different conclusions concerning these two parables, and though I can see their ideas, encouragements, and strengths in them I do see something different.
First of all let us consider that Jesus, in this chapter of parables has identified the “Field” as the world (13:38). It is also true of the seed sower, who is identified by Jesus as “The Son of Man”; and that is Jesus. So, here are my thoughts on these parables…
In the beginning the Liar [the father of lies] deceived Adam and Eve stealing from them the dominion of this world. Jesus the Son of Man, Son of God, came to this world (the field), and “found” a treasure in the lives and souls of men; and having surrendered all that He had in glory went to the cross to redeem man unto God.
To Jesus we of earth are the treasure which He gave up His own life to purchase us unto Himself. We are also His pearls; chosen and precious to Him. His purchase of us makes us clean, and pure in the sight of Holy God. We are bought with a price (1 Corinthians 6:20). The Hidden Treasure in the world, are those who have hearts to receive Him.