Salvation then Discipleship. Faith then Trust?

We are really challenged to count the cost of discipleship in Luke 14:25-35, but this is not a cost of putting our faith in Christ for salvation, but discipleship. I shows this discipleship thing is a decision we have to make. Some don't, some can't (thief on the cross), we assume that one that is saved and filled with the Spirit you can't help but say yes, but it needs to be an active decision and in this passage gives us reasons (the salt) and the tough parts about that decision.

I have been searching for, but must admit I haven't found, a difference between the words faith and trust. In the original text of the Scriptures they are used seemingly interchangeably. I picture them as (and I know this is a dangerous) as a difference in a mind thing and an action step. When shown a climbing rope and asked will this hold your weight, most everyone would say yes. When hooked up to that rope and told to step over the edge you have to turn that faith of knowing it will hold you into the trust to take the step. We can't assume that having faith in it is the end of the story.

After explaining to the ruler how to inherit the kingdom, Luke 18:22 ends with "Then come, follow me". That following him is what we need to step up to the plate and get to work at. Step over the edge.