# in these last days
"in these final days." (Deuteronomy 4:30). This phrase refers to the time when Jesus began his ministry, extending until God establishes his complete rule in his creation.
# through a Son
"Son" here is an important title for Jesus, the Son of God.
# to be the heir of all things
"to possess all things"
# It is through him that God also made the universe
"It is through the Son that God also made all things"