President Trump sent Benjamin Netanyahu a letter for the Israeli prime minister’s 70th birthday, touting their relationship as Netanyahu faces uncertain political prospects in Jerusalem.

“There has never been a more productive time in the Israeli-American partnership, and I know there are many more victories to come,” Trump wrote in the letter, a copy of which Netanyahu’s office released Tuesday.

“Thank you for your strong leadership and loyal friendship. You are one my closest allies, and I look forward to the continued success we will have working together,” Trump added along with a message written in Sharpie saying, “You are great!”

Read more at The Hill.