'Thing' in the Bible

there is nothing outside a man [such as food] which by going into him can defile him [morally or spiritually]; but the things which come out of [the heart of] a man are what defile and dishonor him.

Looking at him, Jesus felt a love (high regard, compassion) for him, and He said to him, “You lack one thing: go and sell all your property and give [the money] to the poor, and you will have [abundant] treasure in heaven; and come, follow Me [becoming My disciple, believing and trusting in Me and walking the same path of life that I walk].”

But Jesus said, “Let her alone; why are you bothering her and causing trouble? She has done a good and beautiful thing to Me.

But Peter kept saying insistently, “If I have to die with You, I will not deny You!” And they all were saying the same thing as well.