NET
14 Blessed are those who wash their robes so they can have access to the tree of life and can enter into the city by the gates.
Darby
14 Blessed [are] they that wash their robes, that they may have right to the tree of life, and that they should go in by the gates into the city.
KJV
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.