"Words of edification", "Kara soz" or "The Book of Words" (Kazak szz, lit .: Simple word, prose) is the fundamental work of the great Kazakh akyn and enlightener Abai Kunanbayev, which consists of 45 short parables and philosophical treatises. In this prose poem, the problems of national upbringing and ideology, morality and law, the history of Kazakhs are raised.

Abai wrote "Words of edification" in the declining years, having already learned the temptations of power and the hardships of earthly affairs, the recognition of the people and the loss of loved ones. They were distributed by including them in each new handwritten book. Some of the "Nights" were first published after the death of akyn (1904) on the pages of the magazine "Abai" in 1918.

Many conclusions and instructive conclusions from the book are relevant today, they accurately describe the old, uneducated problems of the people.