The only true God is an eternal revelation.
He has revealed Himself as the Father, His Son Jesus Christ and the Holy Spirit.
He is beyond words and beyond description.
Those who make it to heaven will be in awe of Him, forever.
Eternal life is knowing Him.
If humans wanted to fully express Him, all the proclamations of Him and of Jesus Christ, in all of human history, all combined together, would be the equivalent of one drop of water compared to all the waters and oceans of the earth, multiplied times infinity.
Jesus offers the living water, the Holy Spirit, who is God.
God is the treasure Jesus spoke about (Matthew 13:44).
If we presented a natural analogy of what God offers, it could be: God offers a person all the waters of the earth, multiplied times infinity times infinity.
And if someone lived for a million years on the earth as a child of God, they would have consumed one small glass of water.
For all eternity, they will live forever in the glorious presence of God in heaven. That presence is the living water.
All someone has to do on the earth is say yes to God, to Jesus Christ, and drink just one drop of that water, and continue on with jesus, to make it to heaven. That is how merciful God is.