Matthew 20:6
[Finally] he went out [once more] at about five o'clock in the afternoon and found [still] other men standing around. He said, 'Why have you been standing around all day and not working?'
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."
Philippians 3:13-14
Brothers, I consider that I, myself, have not yet taken hold [of Christ's ultimate purpose for me]. But there is one thing that I am doing; I am forgetting about my past [See verses 5-7], and reaching forward to what lies ahead.
2 Peter 1:10-11
So, brothers, be diligent to make sure of your calling and election [i.e., of your status as being selected by God], for when you do, you will never stumble [and fall away from God].