The intellect, on the other hand, has not merely degrees of excitement, from sleepiness to being in the vein, and inspiration, but also degrees of its nature, of the completeness of this, which accordingly rises gradually from the lowest animals, which can only obscurely apprehend, up to man, and here again from the fool to the genius. The will alone is everywhere completely itself.
 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 inspiration excitement
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

“On account of the simplicity which belongs to the will as the thing in itself, the metaphysical in the phenomenon, its nature admits of no degrees, but is always completely itself. Only its excitement has degrees, from the weakest inclination to the passion, and also its susceptibility to excitement, thus its vehemence from the phlegmatic to the choleric temperament. The intellect, on the other hand, has not merely degrees of excitement, from sleepiness to being in the vein, and inspiration, but also degrees of its nature, of the completeness of this, which accordingly rises gradually from the lowest animals, which can only obscurely apprehend, up to man, and here again from the fool to the genius. The will alone is everywhere completely itself. For its function is of the utmost simplicity; it consists in willing and not willing, which goes on with the greatest ease, without effort, and requires no practice. Knowing, on the contrary, has multifarious functions, and never takes place entirely without effort, which is required to fix the attention and to make clear the object, and at a higher” source