# He said to them

"Jesus said to those who were changing money and buying and selling things"

# It is written

"The prophets wrote long ago" or "God said long ago" or "In the scriptures God said"

# My house will be called

"My house will be."  Here "My" refers to God and "house" refers to the temple.

# a house of prayer

"a place where people pray" 

# a den of robbers

"like a place where robbers hide"