When I was shaving in front of the mirror this morning, the thought flashed into my mind that one day I wouldn't see myself like this anymore. Our future in this life is never certain, so what should we do? The best we could do to be guided by we already know to be the true way. John 21:18-22 come to my mind.
Jesus said to Peter, "Amen, amen, I say to you, when you were younger, you used to dress yourself and go where you wanted; but when you grow old, you will stretch out your hands, and someone else will dress you and lead you where you do not want to go." He said this signifying by what kind of death he would glorify God. And when he had said this, he said to him, "Follow me." Then Peter turned and saw the disciple following whom Jesus loved. When Peter saw him, he said to Jesus, "Lord, what about him?" Jesus said to him, "What if I want him to remain until I come? What concern is it of yours? You follow me."
What we can learn here is that we are not to be concerned about what's going to happen to us in the future ~ we are to just follow Jesus.