The New Heavens and Earth, the Christian's future kingdom city, will exceed all our expectations and hopes. In it we will be permitted, provided for, and protected. Let's flee to the city by fleeing to Christ.
The true gospel preacher hopes in, boasts in and lives in the true gospel of grace alone, through faith alone by Christ alone for the glory of God alone.
The natural outflow of the spiritual fruit of goodness will be demonstrated in how believers show goodness to others, in particular fellow believers. The one who sows goodness will reap eternal life.