Young men have strong passions and tend to gratify them indiscriminately. Of the bodily desires, it is the sexual by which they are most swayed and in which they show absence of control...They are changeable and fickle in their desires which are violent while they last, but quickly over: their impulses are keen but not deep rooted.
The Works of Aristotle: Rhetorica, by W. R. Roberts. De rhetorica ad Alexandrum, by E. S. Forster. De poetica, by I. Bywater (ed. 1924)