Summary

George Sutherland Chesapeake Railway Company v. Martin…

It is not proper to submit uncontradicted testimony to a jury for the sole purpose of giving the jury an opportunity to nullify it by discrediting the witness, when nothing more than mere interest in the case exists upon which to discredit such witness. The testimony must inherently contain some element of confusion or contrariety, or must be attended by some circumstance which would render a total disregard of it by a jury reasonable rather than capricious, before a peremptory instruction upon the evidence can be said to constitute an invasion of the right of trial by jury.
Source: Wikisource

George Sutherland Chesapeake Railway Company v. Martin…

Generally, the credibility of a witness who is a party to the action, and therefore interested in its result, is for the jury; but this rule, being founded in reason, is not an absolute and inflexible one. If the evidence is possible of contradiction in the circumstances; if its truthfulness or accuracy is open to a reasonable doubt upon the facts of the case, and the interest of the witness furnishes a proper ground for hesitating to accept his statements,-it is a necessary and just rule that the jury should pass upon it.
Source: Wikisource

George Sutherland Chesapeake Railway Company v. Martin…

It sufficiently appears that the time reasonably necessary for completion of delivery to the Bowman warehouse after the receipt of the shipment at petitioner's yards would, in no event, exceed forty-eight hours.
Not only is the estimate of the agent reasonable upon its face and in accordance with probability; and not only is it wholly unchallenged by other evidence or circumstances; but it is so completely corroborated by the undisputed facts in respect of this very shipment as to put it beyond the reach of a fair doubt.
Source: Wikisource

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