Even a Buddha cannot prevent that his words, behaviour and lifestyle lead to irritation, anger, distress, suffering, regardless his thoughtfullness. In the end we must see and accept that suffering does not arise only due to our actions, but there is the mind of the other person too.
If everybody becomes so reserved before acting, things become unnatural. And when that happens virtue, goodness, withers. Contacts between persons run dry. Happiness dissappears. It leads to suffering, not to happiness. I think we all know this from experience.
Please imagine a world in which there is no spontaniety anymore but everybody reflects on any deed before acting. Well, to be honest, this must be like hell. It is like all people have become politicians.
Even when this constant reflection on actions would lead to some kind of happiness or some kind of peace or some kind of harmony, it is a very forced kind of happiness, peace and harmony.
Siebe