If all people are unique, and if they are constantly changing each and every day, then all one can say about any social research finding is that it applied to that group of people on that given day, and given the propensity of humans to be different and to change, then it is unlikely that one would get the same results if one were to repeat the study.
To know a species, look at its fears. To know yourself, look at your fears. Fear in itself is not important, but fear stands there and points you in the direction of things that are important. Don't be afraid of your fears, they're not there to scare you; they're there to let you know that something is worth it.
It means that your birth, with all your particulars, is a wildly improbable event, and hence precious. You won the sweepstakes by being born at all. Think of all the wallflower sperm and egg cells. You made it, buddy. Whew! What a staggering wonder! What a thing to rejoice in! The lottery wasn't fixed! God didn't rig it! You won fair and square! What a miracle!
Because God is perfect, his handiwork functions in accord with immutable principles. By the full use of our God-given powers of reason and observation, it ought to be possible to discover these principles. These were the crucial ideas that explain why science arose in Christian Europe and no where else.