This speech is called the Mehmets and the Johnnies this speech is a tribute and has been written to the Anzacs killed at Gallipoli. This is a photo of Ataturks speech/quote in Turkey.
How is this reliable and useful?
Mustafa Kemal (fourth from left) with officers and staff of the group, in Gallipoli Peninsula, in 1915. This photo is reliable because it is from the site https://www.awm.gov.au/encyclopedia/Ataturk/