Chosen, or Elected in the Bible

Matthew 20:16 So the last shall be first, and the first last: for many be called, but few chosen.
Matthew 22:14 For many are called, but few are chosen.
1 Peter 2:9 But ye are a chosen generation, a royal priesthood, an holy nation, a peculiar people; that ye should shew forth the praises of him who hath called you out of darkness into his marvellous light:
Revelation 17:14 These shall make war with the Lamb, and the Lamb shall overcome them: for he is Lord of lords, and King of kings: and they that are with him are called, and chosen, and faithful.