(31) باب مَا جَاءَ فِي حَدِّ بُلُوغِ الرَّجُلِ وَمَتَى يُفْرَضُ لَهُ
Another chain with similar, but he (Nafi') said:
"Umar [bin 'Abdul-'Aziz] said: 'This is the limit that distinguished between children and soldiers.'" And he did not mention him writing about the salary[Abu 'Eisa said:] The Hadith of Ishaq bin Yusuf is a Hasan Sahih Gharib Hadith as narration of Sufyan Ath-Thawri (ES)
Reference (ES): Jami` at-Tirmidhi 1711 (ES)
In-book reference (ES): Book 23, Hadith 45 (ES)
English translation (ES): Vol. 3, Book 21, Hadith 1711 (ES)