To me, this story from Nik Ripken who interviews church leaders in persecuted countries illustrates Luke 9:23 so well.
The house church elder explained to me that the Holy Spirit woke him up in the middle of the night and told him to gather together the fruits, vegetables, and meat that the house church had stored up to care for people in need. The Holy Spirit told the man to take this load of food, by horse and sled, to a pastor’s family who had been left to die in a one-room hut in the frozen tundra. The man reminded the Holy Spirit that it was thirty degrees below zero outside and that there was no way that he would survive the trip. The man reminded the Holy Spirit that the wolves would probably eat his horse and then eat him. Then the words of the Holy Spirit rang in his ears: “You do not have to come back; you simply have to go.” This book (Insanity of Obedience) is for him.
"Whoever wants to be my disciple must deny themselves and take up their cross daily and follow me." -Jesus, Luke 9:23 NIV
Link to book: https://www.amazon.com/Insanity-Obedience-Walking-Jesus-Places/dp/1433673096/ref=sr_1_1?ie=UTF8&qid=1497274632&sr=8-1&keywords=insanity+of+obedience