I say, BALONEY!!! Let's be honest! We make excuses because we don't really believe what Jesus said. We make excuses because we think it's just too good to be true. We make excuses because we're afraid we'll try it and it won't happen and then we'll look foolish.
The simple truth is that we can do what Jesus said we can do (actually, we must do what Jesus said we can do!). We have many "religious" leaders who have conned us into believing that we need to let them explain the scriptures to us because they are "more knowledgeable" about the things of God than we are and they say we can't do those things that Jesus said we could do. (Sounds like the same trick the priests pulled on people during the Dark Ages to me!) We believe them because we think they are smarter than us (just because someone "sounds" smart doesn't mean they are smart). When will the people of God quit listening to these excuse-makers and believe Jesus?! Don't expect me to believe your human reasoning instead of Jesus' plainly spoken words! When Jesus says I can, all your reasons why I can't don't matter!