The power of yet

I can't run.
I can't pick that up.
I can't play with my kids.
I can't go on that hike.

Add yet to the end of each of those sentences. The outlook will change dramatically.

Suddenly you might feel less stuck.
You might feel more optimistic.
You might start believing in yourself.

Great things aren't accomplished instantaneously.
They take time, effort and consistently.

You can do hard things. And it will take time to accomplish. And that's not.

Say you can't do something and you will be 100% correct.
Say you can't do something yet and you will 100% have a better chance of being successful.