yac copaniṣadādau paṭhyate "yaḥ satyavāk satyasaṅkalpaḥ satyakāmaḥ so 'nveṣṭavyaḥ sa vijijñāsitavyaḥ" ityevamādi, so 'py arthavādo draṣṭavyaḥ.
And what is read in the Upaniṣads and other [texts], "He who is truthful in speech, truthful in resolve, truthful in desires - he should be sought after, he should be known" and so forth, that too should be understood as mere eulogy.