“Don’t let anyone belittle you because you are young. Instead, show the faithful, young and old, an example of how to live: set the standard for how to talk, act, love, and be faithful and pure. Until I get there, make sure to devote yourself to the public reading of Scripture, to exhortation, and to teaching. Don’t neglect the gift that was given to you through the prophecy spoken when the company of the elders laid their hands on you. Cultivate all these practices; live by them so that all will see how you are advancing and growing. Take care of yourself, concentrate on your teaching, and stick with these things. If you do, then you will be effective in bringing salvation to yourself and all who hear you.” (1 Timothy 4:12-4:16)
It's not fatalistic resignation. It's also not parroting some silly version of, "You are perfect just the way you are!" Robert was pointing out that we are all made for a purpose, with a role to play. We gotta’ find that purpose and live it. It's an acknowledgment that we are made for some things and not others.
You see the importance of this principle in Scripture numerous times, but I am going to point out my favorite one: Gideon (Judges 6:11-14):