Full Idea
At the beginning of adolescence when our deliberative capacities are weak we decide on the way of life that we find attractive. So one gets entangled in a definite manner and pattern of life before one is able to judge which one is best.
Gist of Idea
Unfortunately we choose a way of life before we are old enough to think clearly
Source
M. Tullius Cicero (On Duties ('De Officiis') [c.44 BCE], 1.117)
Book Reference
'The Stoics Reader', ed/tr. Inwood,B/Gerson,L.P. [Hackett 2008], p.163
A Reaction
Hence it is important to have lots of means for bailing out of education courses, jobs, and even marriage. At least university postpones the key life choices till the early twenties.