Mark 11:33
So they answered Jesus, we don't know. Jesus said, neither will I tell you by what authority I am doing these things — the we don't know is dishonest — they know their position but refuse to state it because of the political consequences. Jesus matches their refusal with a refusal: if they will not answer a question they can answer, he will not answer their question. The exchange establishes that the Sanhedrin's question was not a genuine inquiry and that Jesus' authority is not available for their evaluation on their terms.