Louis Kelso's formula sounds like Lydia Pinkham's Vegetable Compound. The whole theory sounds crazy. But, then, one may recall, they said all that of Copernicus too.
Courage, it would seem, is nothing less than the power to overcome danger, misfortune, fear, injustice, while continuing to affirm inwardly that life with all its sorrows is good; that everything is meaningful even if in a sense beyond our understanding; and that there is always tomorrow.