《北史·列传·卷七十七》
庾季才幼时聪慧出人，八岁诵读《尚书》，十二岁通晓《易》，喜欢推算天象，居丧期间以孝顺而闻名。
季才幼颖悟，八岁诵《尚书》，十二通《易》，好占玄象，居丧以孝闻。
Yu Jicai was intelligent at a young age. He could recite "Book of History" at the age of 8 and mastered "Change" at the age of 12. He loved to calculate celestial phenomena and was known for his filial piety during his mourning period.