YOU SAID:

if one wants to see the future they must see themselves first

INTO JAPANESE

未来を見たいのなら彼らは最初に自分自身を見なければなりません

BACK INTO ENGLISH

If they want to see the future they must first see themselves

INTO JAPANESE

彼らは未来を見たいのなら彼らは最初に自分自身を見なければなりません

BACK INTO ENGLISH

If they want to see the future they must first see themselves