At trial, a name on this list was sufficient proof of guilt.
And they said that the city's overall control program offered sufficient proof of its commitment to improve air quality.
Presented with sufficient proof, I'll believe just about anything.
"The book in which we find it is sufficient proof of its authenticity," he replied.
Indeed, the fact that you're here without them should be sufficient proof to you.
The two judges said they did not get sufficient proof that the Bosnian conflict was an international one.
There was sufficient proof that men had escaped from the place.
Tonight's adventure with the kitchen fire was sufficient proof of that.
Your presence here right now is sufficient proof of that!
The fact that he communicated with me is sufficient proof.