YOU SAID:
once i was a selfish fool who never understood
INTO JAPANESE
理解していなかった人は利己的な愚か者をかつてください。
BACK INTO ENGLISH
Once a selfish fool who did not understand.
INTO JAPANESE
一度利己的な愚か者を理解していません。
BACK INTO ENGLISH
Once selfish fools do not understand.
INTO JAPANESE
一度利己的な愚か者は理解していません。
BACK INTO ENGLISH
Once selfish fools do not understand.
You've done this before, haven't you.