Full Idea
Reason does not gladly suffer constraint in the paroxysms of its lust for speculative expansion.
Gist of Idea
Reason hates to be limited in its speculations
Source
Immanuel Kant (Critique of Pure Reason [1781], B814/A786)
Book Reference
Kant,Immanuel: 'Critique of Pure Reason', ed/tr. Guyer,P /Wood,A W [CUO 1998], p.667
A Reaction
This uncharacteristic outburst shows Kant's great commitment to the limitations of reason, despite his constant assertions that it is 'pure', and that it is the basis of all value.