Quotes From The Salaf and The Scholars: The Real Testification

The Real Testification of At-Tawheed 

Shaykh Al-Fawzaan حفظه الله و ورعاه said:
 "The (real)testimony of La ilaaha illallah is not merely a statement said with the tongue. Rather, it is declaration of belief ,and action."

 Source: المنتقى من فتاوى الفوزان/١
 Translator: ابو عبد الهادي خليل ديفيس 
Abu 'AbdilHaadee Khaleel Davis