It may contain many truths, and even valuable ones.

The rottenest bank starts with a little specie.

It puts out a thousand promises to pay on the strength of a single dollar, but the dollar is very commonly a good one.
The practitioners of the Pseudo-sciences know that common minds, after they have been baited with a real fact or two, will jump at the merest rag of a lie, or even at the bare hook.

When we have one fact found us, we are very apt to supply the next out of our own imagination.

(How many persons can read Judges xv.