Thomas Kuhn's landmark “The Structure of Scientific Revolutions” got people talking about paradigm shifts, to the point the word itself now suggests an incomplete or biased perspective.

[…] they are granted a privileged point of view in the disgregation of subjectivity in Antonioni; and after La dolce vita they become a prismatic aggregate of male neuroses in Fellini, like a parade of everted obsessions put on display.

O Heart Divine, that pulsest through all space, / Why dost Thou seem so far away and cold? / We miss the pressure of the arms that fold; / We long to hear Thy voice, to see Thy face. [From the New Orleans Times-Democrat.]

Sometimes the assistance of the Devil or his demons was sought without the magician wishing to go so far as to give up his soul to the Evil One.