A: Thank you for this important question.
It is a good thing to have a sense of your own smallness in the larger scheme of things. In The Urantia Book, we learn that "The soil essential for religious growth presupposes ...a normal consciousness of smallness, humility." (read more about humility Here )
But humility is in no way self-abasement, and should not produce feelings of insignificance. Your smallness doesn't mean that you are not needed, or not valued in God's creation. Do you know that you are a completely unique personality? God knows you and loves you dearly, personally, and eternally.
From The Urantia Book:
You are no smaller than any of God's other mortal children. In God's creation, you stand on an equal footing with everyone else, and you possess the same potentials for eternal life that all God's children enjoy. Knowing this should help you to gain a new self-respect, and to use your unique life to make a difference.
The love of the Father absolutely individualizes each personality as a unique child of the Universal Father, a child without duplicate in infinity, a will creature irreplaceable in all eternity. ...The love of God ... unmistakably reveals the high value which the Universal Father has placed upon each and every one of his children from the highest creator personality of Paradise status to the lowest personality of will dignity ... (12:7.9)
Again, From The Urantia Book:
Your job is to make the best of whatever life has handed you—to become the best person that you can be—where you are and as you are. Faith in God, faith in your status as a beloved child of God, and service in the brotherhood of man will help you understand that you are a valuable part of God's world, which is also YOUR world, made for you, and for all of us. We all need God, and we all need each other. You are part of a grand family, and you belong, no matter how small you may sometimes feel. Accept your smallness, but also know that you are accepted by God, and needed in his creation; otherwise, you would not be here!
The door of eternal life is wide open to all; "whosoever will may come"; there are no restrictions or qualifications save the faith of the one who comes.
Jesus can offer you some great advice on the business of living HERE . His advice is always practical. Jesus was a truly humble man, and yet he is still the most influential religious person to ever have walked the earth.
Finally, I offer this wonderful quote for your consideration:
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Do not allow the magnitude of the infinity, the immensity of the eternity, and the grandeur and glory of the matchless character of God to overawe, stagger, or discourage you; for the Father is not very far from any one of you; he dwells within you, and in him do we all literally move, actually live, and veritably have our being. (12:7.12)