John 6:27
Do not work for the [kind of] food that spoils, but for the kind that lasts until never ending life. The Son of man will give you this [kind of food], for God the Father has placed His seal [of approval] on Him."
1 Corinthians 15:58
Therefore, my dearly loved brothers, stand firm [in the faith]; do not be moved [from your commitment]. Always do your best to work for the Lord, since you know that your labor in the Lord's [service] is not for nothing.
Hebrews 6:11-12
And it is our desire that each one of you shows the same eagerness [to live for Christ], so as to be fully assured of your hope [in never ending life] until the end [of your days].
2 Peter 1:5-10
And for this very reason, you people should make every effort to develop goodness along with your faith,