Passage
He again determines a certain day, “Today,” saying through David after so long a time just as has been said before, “Today if you hear His voice, Do not harden your hearts.”
Hebrews 4:7 (LSB)
Nearby Context
Hebrews 4:5 and again in this passage, “They shall not enter My rest.”
Hebrews 4:6 Therefore, since it remains for some to enter it, and those who formerly had good news proclaimed to them failed to enter because of disobedience,
Hebrews 4:7 He again determines a certain day, “Today,” saying through David after so long a time just as has been said before, “Today if you hear His voice, Do not harden your hearts.”
Hebrews 4:8 For if Joshua had given them rest, He would not have spoken of another day after that.
Hebrews 4:9 So there remains a Sabbath rest for the people of God.
Study Lenses
The verse centers on "again", "determines", "certain", "today", "saying", "through", "david", and "after". It is saying that the verse draws attention to "again" and "determines", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 6's "Therefore since it remains for some to..." into verse 8's "For if Joshua had given them rest...", so "again" and "determines" belong inside that flow. In Hebrews context, the local focus is Christ, faith, and discipleship.
A plain takeaway is to answer the verse's own emphasis on "again" and "determines" with trust shaped by these words, not by a vague optimism outside the passage.