Eternal life is a present possession, to to be experienced here and now, but it also offers rich and joyful future prospects.
Eternal life as a present possession
See also
The Holy Spirit as a sign of new life
Eternal life as a future hope
Present experience the basis for future hope
Eternal life contrasted with present suffering
pp Mt 19:29
pp Mk 10:29-30
The life to come
Being with Christ for ever
Assurance of eternal life
The keeping power of God
The believer's confidence in God
The sure and certain hope