Don't raise your voice, improve your argument."
[Address at the Nelson Mandela Foundation in Houghton, Johannesburg, South Africa, 23 November 2004]
Autore: Desmond Tutu
![Don't raise your voice, improve your argument."<br /><br />[<i>Address at the Nelson Mandela Foundation in Houghton, Johannesburg, South Africa</i>, 23 November 2004] - Desmond Tutu](/static/img/quotes/213415.jpg)