He is looking for his daughter's diary.      

He wants to get his scarf back.   

He is looking for a place to live.

He wants one last look at the place where he last saw his family.

"You're smoking up all our money."

"I make the best latkes you've ever tasted!"

"I don't know why I didn't meet you before I met that one there."

"We'll sleep here and you take the room upstairs."

because the children need to study

because noise makes Mrs. Van Daan nervous

because they don't want the workers in the building to hear them

because the Nazis ordered the Jews to be quiet during the day

He wants to put it on a new coat that he's planning to get.

He resents the fact that the Nazis force Jews to wear it.

He wants to put it in a safe place.

He wants to sew his initials on his clothes instead.

He is an old friend of the family from the days before they moved to Amsterdam.

He had been the family dentist

He could bring them extra food and supplies.

They want to help someone else who is being persecuted by the Nazis.

"I haven't had to adjust myself to others."

"My father was born in Holland, and my grandfather."

"Every night she twists and turns."

"Someone now knows we're up here, hiding!"

They do not like each other.

They were enemies in school.   

They each want to make the other angry

They are growing fond of each other.

Mr. Dussel scares her.

She thinks she hears an intruder

She has a terrible nightmare.

She is very angry at her mother

They grow more fearful of the Nazis.

They begin imagining an end to their stay in the attic.

They start trying to find a way to get to Africa.

They sink deeper into hopelessness.

"I have to help with supper."

"I need some hairpins and some soap."

"Mr. Kraler says things are improving."

"There may be someone here, waiting. … It may be a trap!"