therefore in old age the man can perhaps only be matched by taking advantage of the weakness of his intellect.
 Arthur Schopenhauer, The World as Will and Representation (1819). copy citation

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Author Arthur Schopenhauer
Source The World as Will and Representation
Topic weakness age
Date 1819
Language English
Reference
Note Translated by R. B. Haldane and J. Kemp
Weblink http://www.gutenberg.org/files/40097/40097-h/40097-h.html

Context

“Moreover, it does not disappear in the old man, but still continues to will what it has willed, and indeed becomes firmer, more inflexible, than it was in youth, more implacable, self-willed, and unmanageable, because the intellect has become less susceptible: therefore in old age the man can perhaps only be matched by taking advantage of the weakness of his intellect. Moreover, the prevailing weakness and imperfection of the intellect, as it is shown in the want of judgment, narrow-mindedness, perversity, and folly of the great majority of men, would be quite inexplicable if the intellect were not subordinate, adventitious, and merely instrumental, but the immediate and original nature of the so-called soul, or in general of the inner man:” source