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.
If a belief is not realized immediately in open deeds, it is stored up for the guidance of the future.
In like manner, if I let myself believe anything on insufficient evidence, there may be no great harm done by the mere belief; it may be true after all, or I may never have occasion to exhibit it in outward acts.
We may always depend on it that algebra, which cannot be translated into good English and sound common sense, is bad algebra.
To know all about anything is to know how to deal with it under all circumstances.
It is wrong always, everywhere, and for anyone, to believe anything upon insufficient evidence.
To sum up: it is wrong always, everywhere, and for anyone, to believe anything upon insufficient evidence.