This is taken from the Jewish Talmud, the teachings of Rabbi Jehudah. It lists the different stages
of life, and what men were ready for at each stage.

At 5 years:    Reading Scripture

At 10 years:  Learning the Mishnah (Jewish teaching)

At 13 years:  Bound to the Commandments

At 15 years:  Study of the Talmud (Jewish teaching)

At 18 years:  The Bride Chamber

At 20 years:  For pursuing a trade or business

At 30 years:  Full vigour and authority

At 40 years:  Maturity of reason, and discernment

At 50 years:  For counsel

At 60 years:  To be an elder, the commencement of agedness

At 70 years:  For grey hairs

At 80 years:  For special strength, or advanced old age

At 90 years:  For a bowed back

At 100 years: As one that had already died and passed away, and ceased from the world


See: A. Edersheim. Sketches of Jewish Social Life (pages 100, 113)