Isaiah 49:10 (b) This refers to the time when Israel is restored as a nation and will be satisfied again with GOD, His Word, and His ways. Their desire for peace, comfort and prosperity will be gratified. (See John 6:35).
Matthew 5:6 (b) This represents a deep desire for GOD, as David so often desired. (See Luke 1:53).
Luke 15:17 (b) The prodigal could never find heart satisfaction away from his father's house. He felt deeply the need of the blessings that came from being associated with his father. So the child of GOD must be in fellowship with GOD to be happy.