Revelation 22:12-14 (KJV)
12 And, behold, I come quickly; and my reward is with me, to give every man according as his work shall be.
13 I am Alpha and Omega, the beginning and the end, the first and the last.
14 Blessed are they that do his commandments that they may have right to the tree of life, and may enter in through the gates into the city.
John 14:15 King James Version (KJV)
15 If ye love me, keep my commandments