It is believed that by the law of God some specific sin is known, for example adultery, but adultery is the external manifestation of sin or rebellion and opposition to God and sin itself is in the heart, in the inner nature of a man and it controls from within the behavior of a man.
Where did humanity get sin?
According to the Holy Scripture, sin entered all people through the progenitor of all Adam, and at that very moment when Adam sinned, having tried the fruit from the tree of the knowledge of good and evil, all humanity sinned, that is, all of his descendants, it happened because God had already created all the humanity and all of us were inside of Adam at that moment when he sinned.
Adam sold all his descendants to sin.
Adam is the progenitor of all people and all people originated from him and even Eve is taken from him as well as information for all descendants so you can say all the descendants were already in him and began to be born from him after his fall inheriting the nature of sin.
The Scripture tells us this:
1Cor 15.22 For as in Adam all die...
