speak for themselves
Ihr Ruf und ihr Wort sprechen für sich.
Her reputation and her word speak for themselves.
— Brother 2 - Brat 2 (2000)
The numbers speak for themselves.
Mir scheint mir, die Bilder sprechen für sich.
It seems to me that the pictures speak for themselves.
Die Tatsachen sprechen für sich.
The facts speak for themselves.