Full Idea
The battle of reason is the struggle to break up the rigidity to which the understanding has reduced everything.
Gist of Idea
We must break up the rigidity that our understanding has imposed
Source
Georg W.F.Hegel (Logic (Encyclopedia I) [1817], I §80Z p.115), quoted by A.W. Moore - The Evolution of Modern Metaphysics 07.7
Book Reference
Moore,A.W.: 'The Evolution of Modern Metaphysics' [CUP 2013], p.185
A Reaction
This sounds like a combination of Nietzsche and later Wittgenstein, and may be one of the ideas that launches 'continental' philosophy. Recent French thinkers talk continually of 'liberation'.