I agree with Dr. Dan. The banning topics are stupid and I stated this when Yacov first started making a million of these silly threads a few months ago. Also Dr. Dan is right that many of you are acting like arrogant fanatics trying to make everyone do things exactly like you think or your Rabbi thinks and not tolerating any one else's opinion. The fact is that if you really study the Torah or know anything about the Torah than you will realize that there is a verse in Ethics of Our Fathers that escapes my memory but it basically says that Jews should do things in a way that others are able to follow. Meaning, that there are things in Judaism that are permitted to do Rabbinically and Biblically at least according to valid commentaries and do not violate custom. However, Jews on a high level of spirituality refrain from doing things that are really allowable since they see and feel that it is not what G-d would want a righteous Jew to do. The Talmud has several of these extra personal restrictions that the righteous Rabbis did. Jews on a lesser level of spirituality don't follow these extra personal restrictions since they feel no need to and are not able see the logic. What the Mishnah is saying that one should follow what he thinks is the proper thing that G-d wants and impose extra restrictions oneself in private and never try to forcefully impose these personal extra restrictions on other people. In public one must act like the average Jew and keep one's righteousness to themselves and be humble. One must make the average Jew feel that they are able to follow the path of a righteous Jew and that his path is not too far away to reach. Being tolerant of the different commentators opinions, other Jew's opinions, being very humble, treating every Jew with more respect than one treats himself, looking at the holyness of the average Jew, and being very tolerant and patient with those not so religious and be careful to not criticize him and if absolutely necessary to do so in a roundabout way is how you achieve this. For this example, simply say that it is not forbidden from the Torah to do this according to several commentaries but many great Tzadikim will impose the restriction on themselves not to do it since they don't feel it is a proper thing to do.