Chinuch Hora'ah of the Day:
In our times, the Jewish home should be established and built in such a way that Hakadosh Baruch Hu can dwell within it. [This applies] not only on Shabbos and Yom Tov, but also on every day and night throughout the entire year.
Therefore, in a Jewish home—which is a Mishkan for Hakadosh Baruch Hu—there are all sorts of roles and jobs that need to be performed. However, before approaching any kind of avodah, if one desires to do it according to the will of Hashem, there should be a “cleansing” with the kiyor (sink) and its basin.
In other words, it is necessary to remove the dust, mud, and all the unclean, impure things that can adhere to a person from the street, so that they remain outside and do not enter the home. With regard to making the kiyor and its basin, Hakadosh Baruch Hu relates in His Torah that the kiyor was made from the mirrors that n’shei Yisrael donated for the building of the Mishkan.
...Every Jewish woman is an akeres habayis, and the conduct of the Jewish home depends on her. She should ensure (and this applies to her as well as to her husband and children) that when they enter from the street, where winds blow – sometimes positive winds, and sometimes winds that can bring into the home matters that are not blessed for a Yid – the kiyor and its basin should first be used for cleansing before entering the home. This is a matter that is truly of great value.
(Toras Menachem, vol. 36, p. 367)