And having reached his consummation, he was made, for all who are obedient to him, the cause of eternal salvation
Other versions
King James Version
And being made perfect, he became the author of eternal salvation unto all them that obey him;English Standard Version
And being made perfect, he became the source of eternal salvation to all who obey him,New International Version
and, once made perfect, he became the source of eternal salvation for all who obey him