Use "adeptness" in a sentence

1. Jesus skillfully and tenderly cared for the lad, and the father was amazed by both the gentleness and adeptness manifested in all his ministry to the afflicted youth

2. He had--in his younger years--studied some piano, but he had long since given it up, on account of how difficult it was to learn the instrument with any kind of adeptness

3. It is by definition an aggressive contest, my good mentor, intended to demonstrate one’s adeptness at capturing the prize in lieu of becoming the trophy in its stead

4. “If prices fully reflect available information, this sort of investment adeptness is ruled out,” writes one of today’s textbook authors