"The rule which should guide us in such cases is simple and obvious enough: that the aggregate testimony of our neighbours is subject to the same conditions as the testimony of any one of them."
- William Kingdon CliffordBritish mathematician and philosopher William Kingdon Clifford was well-known in the 19th century for both his mathematical contributions and his perceptive philosophical ideas. Among his noteworthy concepts is how we assess the veracity of other people's testimony or information. Clifford thought t…