I always heard this parable explained as heaven being a great treasure (which it is), and us being willing to give everything to gain it (which we should). While I’m not arguing this, it is possible this parable has other interpretations and applications. Here is another take on it that sort of turns this parable on its head:
What if the man in the parable is Christ, you are the field, and your soul is the treasure? In that instance, the man (Christ) sees the hidden treasure (your soul) deep inside you and gives everything - even to His very life - for the joy of slowly unearthing the beauty buried deep inside you.
Is this not what we read? Jesus gave up everything, stepped down from His Throne, and came after us. Is this action one that would be taken for anything less than the most precious treasure? You, my friend, are that treasure!
But God demonstrates his own love for us in this: While we were still sinners, Christ died for us. (Romans 5:8)
#LoveMatters