Since he knows that he is soon to die, he strengthens his brothers by mentioning things that they can later call to mind to keep themselves spiritually strong.
Pēteris zina, ka drīz mirs, tāpēc viņš stiprina brāļus, pieminēdams domas, ko tie vēlāk varētu atsaukt atmiņā, lai paliktu garīgi stipri.