'By What Authority' in the Bible

And he having come to the temple, there came to him when teaching the chief priests and the elders of the people, saying, 'By what authority dost thou do these things? and who gave thee this authority?'

And Jesus answering said to them, 'I will ask you -- I also -- one word, which if ye may tell me, I also will tell you by what authority I do these things;

And answering Jesus they said, 'We have not known.' He said to them -- he also -- 'Neither do I tell you by what authority I do these things.