Silence and Action, Planning and Doing
The power of a person’s thoughts and being totally committed to an idea. The danger of articulating one’s intentions to do good things. Rational and supernatural barriers between planning and doing. Differences between the machinations of the internal yetzer hara and the external ma’aseh Soton.
Citations: In addition to the Biur HaGra, this shiur references Gemara Sanhedrin 26b with Rishonim, Sichos Moharan 62nd Os, Medrash Shmuel on Avos 1:15, Pele Yoetz, erech tachbulos.