It is generally often that it is displayed with " Attentively watch your step " in a Zen temple by the entrance. In a meaning of these words "being careful about your step when take off shoes at the entrance, and wear" it as for whom when is the attention that seemingly is ordinary, will arrest you. However, will not it be our reality even for step of the daily walk where life to filter that is doubtful? At first we must be careful from how to take off shoes at the entrance so that we establish oneself by the life.