There isn’t one who would turn traitor. People won’t go to certain destruction unless they’ve lost their reason.
 Fyodor Dostoyevsky, Demons (1872). copy citation

add
Author Fyodor Dostoyevsky
Source Demons
Topic destruction reason
Date 1872
Language English
Reference
Note Translated by Constance Garnett in 1916
Weblink http://www.gutenberg.org/files/8117/8117-h/8117-h.htm

Context

“he might scent me out and race off here.” “Pyotr Stepanovitch, they are not to be trusted,” Erkel brought out resolutely. “Liputin?” “None of them, Pyotr Stepanovitch.” “Nonsense! they are all bound by what happened yesterday. There isn’t one who would turn traitor. People won’t go to certain destruction unless they’ve lost their reason.” “Pyotr Stepanovitch, but they will lose their reason.” Evidently that idea had already occurred to Pyotr Stepanovitch too, and so Erkel’s observation irritated him the more. “You are not in a funk too, are you, Erkel?” source