27. Whoever does not persevere and carry his own cross and come after (follow) Me cannot be My disciple.
28. For which of you, wishing to build a farm building, does not first sit down and calculate the cost [to see] whether he has sufficient means to finish it?
29. Otherwise, when he has laid the foundation and is unable to complete [the building], all who see it will begin to mock and jeer at him,