Pastors like to say "I challenge you to," followed by a verb. The verb is often "invite." The direct object is often "someone." This time of year, the indirect object is often "Easter service." However, many pastoral challenges culminate in witnessing or the memorization of Scripture. This can put you in the running to receive an iPod.
And for teens, a special "xtreme" challenge, in grungey font to attract their attention in ways Helvetica cannot.