‘We can be disparaging with just a look. We don’t have to say a word and people will feel it, and they will be hurt by it. We must be careful how we treat one another. Remember, each of you – not only are you buddha, so is your neighbor; so are the people that you live and work with. We are trying to cultivate buddha wherever we go, and so when you find yourself making a snap judgment about somebody or putting somebody down, preferably you will notice this before you open your mouth, but if it’s after you open your mouth and say something disparaging, please try to have the courage to apologize.’ (Seeds For A Boundless Life)
I can only add that Blanche was very good at thinking before she spoke, and I can’t recall many times when she said something that she might need to apologise for.