用英语怎么说---曾经以为念念不忘的东西,总有一天会变得面目全非

The things which we thought will lasts forever,finally will fade away.

The thing once thought born in mind constantly will become changed beyond recognition one day in the future

Something I can't forget will become differenc someday.

The things in my heart deeply on one time,but it will be differenc in someone day .