Behold, I come quickly: hold that fast which thou hast, that no man take thy crown. - Revelation 3:11 I believe everyone have a unique assignment on earth, which we have a duty to discover. Our purpose is not hid from us, it is hidden for us. Once the purpose have been discovered, we have yet the responsibility to guard it from being lost, else we become unfit for His Kingdom. Purpose does not consist on things, however, discovering of purpose bring things(Matthew 6:33). We saw example in Judas Iscariot. Jesus Christ had more than twelve persons with him, but twelve were chosen as disciples. Judas didn't value his office/place, rather, materialism instead. See Acts 1:16-26. Matthias was chosen to take Judas's place and crown. He has being with them from the very beginning, but wasn't chosen initially, Acts 1:21-22, says, "Wherefore of these men which have companied with us all the time that the Lord Jesus went in and out among us, Beginning from the bap...
"But if our gospel be hid, it is hid to them that are lost:" 2 Corinthians 4:3