They decided now, talking it over in their tight little two-and-quarter room flat, that most people who call themselves "truth-seekers"—persons who scurry about chattering of Truth as though it were a tangible separable thing, like houses or salt or bread—did not so much desire to find Truth as to cure their mental itch.
There are no more uses of "tangible" in the book.
Show samples from other sources
They set tangible goals.
The performance goal should be expressed as a tangible, measurable objective, against which actual achievement can be compared.