Jesus was crucified at age 33, which was a painful form of execution. He was nailed to the cross through his wrists and feet, enduring hours of agony as his body weight tore at the nails. Medical details are provided on how the nails would have torn tendons and made it difficult for him to breathe. The document emphasizes that Jesus endured this suffering and death by crucifixion to pay for humanity's sins so that all people could be saved. It encourages the reader to reflect on and appreciate Jesus' sacrifice.