Comment by chris_wot

You could more easily have quoted ''Brandenburg v. Ohio'', 395 U.S. 444 (1969) [42]-[44]:

The line between what is permissible and not subject to control and what may be made impermissible and subject to regulation is the line between ideas and overt acts.

The example usually given by those who would punish speech is the case of one who falsely shouts fire in a crowded theatre.

This is, however, a classic case where speech is brigaded with action. See Speiser v. Randall, 357 U.S. 513, 536—537, 78 S.Ct. 1332, 1346, 2 L.Ed.2d 1460 (Douglas, J., concurring.) They are indeed inseparable and a prosecution can be launched for the overt acts actually caused. Apart from rare instances of that kind, speech is, I think, immune from prosecution.

https://www.law.cornell.edu/supremecourt/text/395/444