Tanya Chapter 28: Unwanted thoughts in middle of holy endeavors –– what to do? part 1

How are we supposed to handle extraneous thoughts that come our way while seriously engaged in Torah study or prayer? Should we try to sublimate the driving emotion? Or should we perhaps feel dejected and despicable? Here's the rule: certain exercises are only meant for the tzadik who eradicated his evil. But for everyone else –– refocus your concentration, intensify your joy and ignore the distraction.