Authors:

A Stalin functionary admitted, Innocent people were arrested: naturally - otherwise no one would be frightened. If people were arrested only for specific misdemeanours, all the others would feel safe and so become ripe for treason.

"Modern Times: A History of the World from the 1920s to the 1980s". Book by Paul Johnson, 1983.
A Stalin functionary admitted, Innocent people were arrested: naturally - otherwise no one would be frightened. If people were arrested only for specific misdemeanours, all the others would feel safe and so become ripe