Three preparations of a bad man's house - strife before you, complaining to you, his hound taking hold of you. Image - Desmond Kinney Mosaic

Three things whereby the devil shows himself in man - by his face, by his gait, by his speech. commons.wikimedia.org/wiki/F…

Three rejoicings that are worse than sorrow - the joy of a man who has defrauded another, the joy of a man who has perjured himself, the joy of a man who has committed parricide. commons.wikimedia.org/wiki/F…

Three rejoicings followed by sorrow - a wooer’s, a thief’s, a tale-bearer’s. commons.wikimedia.org/wiki/F…

The three worst welcomes - a handicraft in the same house with the inmates, scalding water upon the feet, salt food without a drink. commons.wikimedia.org/wiki/F…

Three keys that unlock thoughts - drunkenness, trustfulness, love. commons.wikimedia.org/wiki/F…

Three free ones that make slaves of themselves - a lord who sells his land, a queen who goes to a boor, a poet’s son who abandons his father's craft. commons.wikimedia.org/wiki/F…

Three things that are worst for a chief - sloth, treachery, evil counsel.

Three wonders concerning the Táin Bó Cuailnge - that the cuilmen came to Ireland in its stead, the dead relating it to the living, viz. Fergus mac Róig reciting it to Ninníne the poet in the time of Cormac mac Fáeláin, one year's protection to him to whom it is recited.

Three that are most difficult to talk to - a king about his booty, a viking in his hauberk, a boor who is under patronage. commons.wikimedia.org/wiki/F…

The three households of Ireland - the household of Tara, the household of Cashel, the household of Crúachan. (Image - Queen Medb - JC Leyendecker)