Some times we forget that to never be offended, everyone has to keep quiet. While there is a need to have some kinds of speech quelled, by and large, it is the responsibility of each of us to both watch our tongues, and keep our ears open for legitimate discourse. Use this image for your tee-shirts, or I can customize it for stained glass, needlepoint, cross stitch, or even try to make a stencil so it can be put on placards etc.