profoundest

adj

1. (form-of, superlative)superlative form of profound: most profound

   “The capacity of sorrow belongs to our grandeur; and the loftiest of our race are those who have had the profoundest grief; because they have had the profoundest sympathies.”

   “The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is, to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when to be obeyed.”

   “The workings of the human heart are the profoundest mystery of the universe.”

   “The profoundest act of worship is to try to understand.”