From the BFG - People with big ears are better at eavesdropping.
From Matilda - It is perfectly reasonable to spend a disproportionate time reading books.
From Matilda - Once you read lots of books, you become really clever, and once you become really clever, you become magic.
From Matilda - Everything will be better once you have a tall friend who carries you places in his ear.
From George's Marvellous Medicine - Household items, when mixed, will shoot an unwanted relative through the roof.
From The BFG - Cool people keep things in jars.
From George's Marvellous Medicine - Old ladies are the devil.
From The Twits - Fair play.