Life had stepped into the place of theory and something quite different would work itself out in his mind.
Fyodor Dostoevsky
English translation: Constance Garnett
Life
A quote by Fyodor Dostoevsky
From the source
Crime and Punishment, Epilogue, Chapter II.
English translation by Constance Garnett. Historical translation reproduced in the linked source.
The narrator describes Raskolnikov’s changed experience.