Someone please explain this quote to me, I don’t understand the meaning behind it. 20 points for someone who explains the quote well and understandable!

He is saying that if people manipulate you into asking wrong questions, or turn your head away from the truth then they don't have to worry about the truth being exposed. One example is that of the Nazi regime, they redirected questioning of the mass genocide of millions of Jews into questions such as "How does this benefit Germany?" rather than "Why are millions of Jews suffering?". By being able to change the perspective of the German people, the Nazi where able to avoid backlash and questioning.    

Explanation:

the second sentance should look more like this: the doughnuts we bought were the best we had ever tasted.