確かに、物質的なものはお金で買えますね。でもさ、最 重要なこと（例えば、友情や幸福や時間）は絶対お金で 買えません。
tashikani, busshitsuteki na mono wa o-kane de kaemasune. demosa, sai juuyou na koto (tatoeba, yuujou ya koufuku ya jikan) wa zettai o-kane de kaemasen.
It is definitely true that material things can be bought with money. However, the most important things (e.g. friendship, happiness, time, etc) can not possibly be bought with money.
Boy, what a mouthful! That's the longest sentence I've ever written... Hope it makes sense!
I pass:
かもしれない