Assuming you have respectably good balance, you can stand on just one foot long enough to say this:
Regard ideas as candidates for your belief and distrust them unless they have clear practical consequences. Then once you have come to understand beliefs by their consequences, believe what is in the line of your needs.
That'll do it.
Of course, the implication is that pragmatism isn't so much a belief as a meta-belief. Which is accurate. Recall James' comments about the corridor. James always saw pragmatism as the corridor itself, not as consisting of any of the rooms one might reach by that means.