¹³ But instead warn (admonish, urge, and encourage) one another every day, as long as it is called Today, that none of you may be hardened [into settled rebellion] by the deceitfulness of sin [by the fraudulence, the stratagem, the trickery which the delusive glamor of his sin may play on him].

¹⁵ Then while it is [still] called Today, if you would hear His voice and when you hear it, do not harden your hearts as in the rebellion [in the desert, when the people provoked and irritated and embittered God against them].^(A)