As you know, exhortation is part of the Gift of Prophecy. To exhort is to urge strongly. Indeed, to have a powerful exhortation, we need the wisdom and enlightenment of the Holy Spirit.

Yearn for the Gift of Prophecy that you may exhort with the power of the Holy Spirit.

Here are some videos of exhortations by brothers in CFC and SFC. May they inspire and embolden you.

You may say that these are "too much" or "too long" for a household meeting or a Chapter Prayer Assembly. What's important is that you are aware of the presence of the Holy Spirit in you. The same Spirit leads you. The same Spirit speaks through you.