Full Idea
We cannot altogether deny that treason may be committed as much by words as by deeds.
Gist of Idea
Treason may be committed as much by words as by deeds
Source
Baruch de Spinoza (Tractatus Theologico-Politicus [1670], 20.05)
A Reaction
For example, betraying a major state secret. This is an important idea, for anyone who simplistically demands utter freedom of speech. There is also subversive speech, which is very hard to assess. Incitements can be crimes in Britain.
Book Reference
Spinoza,Benedict de: 'Theological-Political Treatise', ed/tr. Israel,Jonathan [CUP 2007], p.252