Depending on the price of oil, Saudi Arabia earns somewhere between half a billion and a billion dollars every day. They wouldn't exist, let alone have that wealth, without our protection. We get nothing from them. Nothing. We defend Germany. We defend Japan. We defend South Korea. These are powerful and wealthy countries. We get nothing from them. It's time to change all that. It's time to win again.

p. 34 - Crippled America: How to Make America Great Again (2015)