How to keep the mind centered?

The following is an excerpt from a samvaad (dialogue) session with Acharya Prashant.

Acharya Prashant (AP): (Reading question) “Acharya Ji, please show me the light, so that I could be at my center. Sometimes, I feel, when I listen to you or when I read the verses, a certain centeredness within me. What is that? And, how can I remain centered? Please explain how to remain in just Peace and in the Loved One…