This question is for a minister. How do you study the bible to prepare a sermon?

for instance ,if the sermon is for a funeral you look up Resurrection and put it to gather by these scriptures.Matt22,23 Luke14,14 Luke 20,36 john 6.29 john 11,25 acts 24,21 1 cor 15,13 Phil 3,10 1 pet 1,3 rev20,5