天真岁月不忍欺单纯年华不忍伤
[tiān zhēn suì yuè bù rĕn qī dān chún nián huá bù rĕn shāng]
'Innocence should not be betrayed, purity cannot be harmed.' This phrase reflects nostalgia for simpler, more innocent times. The user longs for days when people lived without pretense or harm, highlighting a desire to protect cherished memories of youth.