This is a common Azerbaijani and Turkish proverb used to remind people that intelligence and wisdom are not solely the domain of the elderly.
The phrase "Düzdü ağıl yaşda deyil, başdadı" translates literally to . Duzdu Agil Yasda Deyil Basdadi Qara Zindan Azeri Bass
As seen in tracks like "Qara Zindan," the genre is defined by: This is a common Azerbaijani and Turkish proverb