or “preponderance of proof’ is a phrase constantly used, the meaning of which is wellunderstood and easily defined. It indicates clearly to the jury that the party having theburden of proof will be entitled to their verdict, if, on weighing the evidence in theirminds, they shall find the greater amount of credible evidence sustains the issue whichis to be established before them. Haskins v. Haskius, 9 Gray (Mass.) 39a