Grace from God to you.
The positive suggestion to the people is always a strategy of a preacher.If everybody take it in mind the +ve will start work soon.Try it.It may lead to a miracle.
Pstr.Bennyhinn did it with spiritual message.
Benny Hinn is a false prophet. His own words have condemned him over and over. Doesn't matter a bit how spiritual his meetings feel. Are you familiar with the kinds of outrageous - and wholly false - predictions he has made in the past? We're told in scripture not to listen to such people.
And since when is the power of suggestion a biblical tool?