Fear of the Lord

HH today I had great chalishus hadass because a mouse disturbed my concentration in my prayers, and I was thinking here I'm standing before HY and a little mouth can disturb me?!

BH later I saw that today's daf yomi Eruvin 65 Ruvuh says that even a louse can disturb his concentration - the same Ruvuh who was seen in such concentration that he was sitting on his fingers etc etc (Shabbos 87a) without realizing....

NNNNM