Her name prophesies her parenthood of King David: Berachot 7b
She wore Shabbat clothing to go visit the field of Boaz: Shabbat 113b
Ruth's modesty in choosing which field to go to: Shabbat 113b
Ruth's modesty, in her manner of picking up the sheaves from the field: Shabbat 113b
Ruth's wisdom, in knowing the laws of Paupers' Collection of Grain forgotten by the Harvesters: Shabbat 113b
Ruth changed Naami's advice, changing after she arrived in Boaz's field, to avoid problems en route: Shabbat 113b
Boaz chose Ruth because she followed Naami: Shabbat 113b
Boaz hinting to Ruth that King David would emerge from her: Shabbat 113b
Boaz hinting to Ruth that Menashe would emerge from her: Shabbat 113b
Boaz hinting to Ruth that the Kingdom of her descendants would eventually split: Shabbat 113b