"As long as you can look fearlessly at the sky, you'll know that you're pure within and will find happiness once more," Frank wrote.
"I don't get my wisdom from teenagers," Prager said in explaining why he disagreed with the young diarist.
"The despicable vandalism just underlines the fact that stories such as Anne Frank's still need telling," said the Peridot Theater Company.
"They don't believe 6 million people lost their lives. They don't know enough," said Eva Schloss, a Holocaust survivor and stepsister to Anne Frank.
Otto Frank was thwarted by "American bureaucracy, war and time," researchers have found.
We asked the world's foremost Anne Frank experts to weigh in on 'In the Aeroplane Over the Sea.' Their thoughts are... complicated.
The play also invented a fictional assault.
A powerful project allows survivors to "answer" questions without being present. It's like Siri if Siri were an actual human with a life story to tell.
An Anne Frank costume pulled Sunday is only the latest in a line of Halloween costumes that depict victims of horrifying crimes.
A glass memorial etched with concentration camp numbers of Nazi victims was vandalized days after a white supremacist rally in Charlottesville.
Anne Frank inscribed the poem in Christiane van Maarsen's "friendship book" before she went into hiding in the Secret Annex.
The world has yet to learn the lessons of the Holocaust, says Eva Schloss.
Jacqueline van Maarsen talks about the Holocaust through Anne's story.