Because of this, [it is] all the more necessary [that] we pay attention to the [things] we have heard, lest we drift away.
References for Hebrews 2:1
For if the word spoken through angels was binding and every transgression and act of disobedience received a just penalty,
how will we escape [if we] neglect so great a salvation which had [its] beginning [when it] was spoken through the Lord [and] was confirmed to us by those who heard,
References for Hebrews 2:3
[while] God was testifying at the same time by signs and wonders and various miracles and distributions of the Holy Spirit according to his will.
References for Hebrews 2:4