...fixing your eyes on Jesus, the author and perfecter of faith... (Hebrews 12:2 NASB)
A number of differences exist between sheep and pigs. Sheep are easily led, but pigs have to be driven. Sheep listen to the shepherd's voice and come when called, but not pigs. Sheep graze and browse, but pigs only roots and grubs.
These comparisons between sheep and pigs reminds us of our walk with the Lord. How easy it is to become burdened down and busy with the material things of this world and fail to look up to Jesus.
During this Christmas season we need to stop and reflect upon the goodness of God. The Bible says, "They will never again be hungry or thirsty; they will never be scorched by the heat of the sun. For the Lamb on the throne will be their shepherd. He will lead them to springs of life-giving water. And God will wipe every tear from their eyes." (Revelation 7:16-17 NLT)
Keep looking up to Jesus.