indisputable truth

But from him it did not sound boastful—simply a frank and timely expression of an indisputable truth, which indeed it was.

The church is an assembly of men asserting that they are in possession of the indisputable truth.

And thence had come the indisputable truth, the one solution—happiness in certainty.

A most indisputable truth, and a heartfelt one in the present instance.

Indeed, they tell to the eye the indisputable truth as words cannot easily tell it to the ear.