Simplify the following text for a Grade 8 native English-speaking person.
Original: He recorded his plan for peace in his diary : Republicans must `` accept the People 's Verdict '' on the Treaty , but could then `` go home without their arms ( guns ) .
Simplified: Collins ' personal diary outlined his plan for peace . Republicans must `` accept the People 's Verdict '' on the Treaty , but could then `` go home without their arms .