they don't already possess / they don't possess yet

[sitifan]

No one can obtain a spiritual gift they don't already possess by striving for it, ...
Source: https://www.google.com/search?sca_e...VCRCK8QBSgAegQIBxAB&biw=1092&bih=531&dpr=1.75

What's the difference in meaning between "something they don't already possess" and "something they don't possess yet"?

 

[5jj]

What's the difference in meaning between "something they don't already possess" and "something they don't possess yet"?

The second sentence suggests they may possess it in the future. The first does not.