Would having a logo for privacy be a good idea? A logo we can place in all our websites? Together with some kind of sentence, like "I support privacy", or "hea

Would having a logo for privacy be a good idea? A logo we can place in all our websites? Together with some kind of sentence, like "I support privacy", or "healthy minds need privacy", or "privacy is a human need", or something better you can come up with? Is there one already?