From that time Jesus began to preach, saying, "Repent, for the kingdom of heaven is at hand." Matt 4:17 RSV
I think most people miss the point of what Jesus is saying here. I believe he’s telling us that heaven comes to us the moment we repent of our sin.
The veil, which separated God from the people, was torn. Now we can directly come to God, through Jesus Christ.
33 “This is the covenant I will make with the people of Israel
after that time,” declares the Lord.
“I will put my law in their minds
and write it on their hearts.
I will be their God,
and they will be my people.
34 No longer will they teach their neighbor,
or say to one another, ‘Know the Lord,’
because they will all know me,
from the least of them to the greatest,”
declares the Lord.
“For I will forgive their wickedness
and will remember their sins no more.”