be biased

References in classic literature ?
It is of the first importance," he said, "not to allow your judgment to be biased by personal qualities.
But one cannot be too much on his guard in such a case, lest his action be biased by obstinacy or an undue regard for the opinions of men.
But Karpal Singh, Anwar's leading counsel, argued the "business association" gave the defense "reasonable apprehension and suspicion that Your Lordship might be biased, though we are not alleging actual bias.