10 minutes is not enough, but 40 mins is the maximum you can ever get away with nowadays. it takes a lifetime to prepare a sermon but to be specific it will be 6 hours, or one hour per 10 minutes. Dont try and memorise it but then again don't read it, take notes with you. On the day pray it in beforehand, Nothing about all age preaching nor about women preachers in this original edition, but he does look at modern distractions and alternatives to preaching. ( )