Hebrews 3:13
but exhort one another day by day, so long as it is called 'today,' lest any one of you be hardened by the deceitfulness of sin.
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Interpretation

Hebrews 3:13 shows a encourage daily that is lived within study and play—see "one" and "day". Give encourage daily in generosity without notice—teach the body new reflexes.

Context

The setting is Hebrews—epistle/letter, highlighting encourage daily. Within ch. 3, a small unit frames the emphasis. Watch the terms “one” and “day”.

Authorship & Historical Background

Long‑standing tradition credits Hebrews to Paul (trad.). In current research on Hebrews, Anonymous; candidates include Apollos, Barnabas, or Priscilla; style differs from Paul.. Scholars commonly date Hebrews AD 60–90. This verse leans into perseverance & witness. Anonymous authorship and sermonic rhetoric are frequently noted.

More details
Traditional:Paul (trad.)
Modern scholarship:Anonymous; not Pauline in style; Apollos/Barnabas/Priscilla proposed.
Date:AD 60–90
Manuscripts & Textual Witnesses
The Greek text is preserved in more than 5,800 manuscripts, exceeding other ancient writings in manuscript count. 2nd-3rd century papyri like P46, P66, P75 provide text roughly 100-150 years after composition. Major uncial codices (Sinaiticus, Vaticanus, 4th century) contain complete or near-complete texts. The Byzantine text family represents the majority of later manuscripts. Textual variants exist but are mostly minor: word order, articles, spelling. No central Christian doctrine depends on any disputed text. Modern critical editions compare all manuscript families to determine the most probable original wording reading.
Sources & witness notes
SinaiticusVaticanusP46