1668 J. Flavell Ep. Ded. sig. Av There are multitudes of books indeed, and of them many concern not themselves about root truths.
1854 C. Kingsley 13 There are certain root-truths which I know, because they have been discovered and settled for ages.
1958 25 123 No-one has exposed this root truth about the nature of political activity so unerringly as Conrad.
2002 G. Finley i. 7 The one truth that is the gateway to the Truth we seek: Know thyself. Can you see the beauty in this root truth?