The sense specified by the letter "u", is easily visible in the concept of the "foolishness". Yes, kinship. But what is this relationship? Relationship with what? Genuine knowledge reminds the author of the article in Wikipedia.
https://ru.wikipedia.org/wiki/%D0%AE...82%D0%B2%D0%BE
The "foolishness (Art.-Slav. orady, commonly known as "fool, insane" - a deliberate effort to seem stupid, insane. In Orthodoxy fools - layer wandering monks and religious ascetics. The objectives of the imaginary folly (foolishness for Christ's sake) announced the conviction of external worldly values, concealing their own virtues and naliczenie its vilification and abuse"
The Epiphany one and aggressive rejection at first this insight others have created special tactics statements. No wonder the article with sections Examples in the ancient world the same foolishness and Foolishness after Christmas". Over time, society has come to tolerance, freedom of speech. Now the stones will not beat, but to insult and scream - in the order of things. The truth hardly grows through the thickness of ignorance. "St Anthony in the early centuries of Christianity said, "there Comes a time when people will go crazy, and if you see someone not mad, would rise against him and will say: "You're mad," because he doesn't like them". As in the old days, freedom of speech needs to sacrifice and perseverance.
"The fool", a painting by Paul Svedomsky (not calcite on expressing the Truth)