I heard this vort Beshem the Sefas Emes
We say in Ledavid Im Takum Alai Milchomo Bezos Ani Boteach
The sefas emes explains the this is talking about the Milchemes Hayeitzer and he asks what is the thing that we a Boteach in it?
He answers that this milchemes hayeitzer he is boteach that whenever he still has a milchomo he is still on the the right track but once he dosent have a milchomo he lost.