Matthew 13:44-46 (NIV)
44 “The kingdom of heaven is like treasure hidden in a field. When a man found it, he hid it again, and then in his joy went and sold all he had and bought that field.
45 “Again, the kingdom of heaven is like a merchant looking for fine pearls.
46 When he found one of great value, he went away and sold everything he had and bought it.
Luke 9:23-25 (NIV)
23 Then he said to them all: “If anyone would come after me, he must deny himself and take up his cross daily and follow me.
24 For whoever wants to save his life will lose it, but whoever loses his life for me will save it.
25 What good is it for a man to gain the whole world, and yet lose or forfeit his very self?