100:1 A Psalm of Thanksgiving. Shout to Jehovah, all the earth.
100:2 Serve Jehovah with joy, come before him with singing.
100:3 Know that Jehovah He <FI>is<Fi> God, He made us, and we are His, His people--and the flock of His pasture.
100:4 Enter ye His gates with thanksgiving, His courts with praise, Give ye thanks to Him, bless ye His Name.
100:5 For good <FI>is<Fi> Jehovah, to the age His kindness, And to generation and generation His faithfulness!
The verse centers on "for good", "faith", "psalm", "thanksgiving", "shout", "jehovah", "earth", and "serve". It is saying that the verse draws attention to "for good" and "faith", so its meaning should be read from those terms before moving to application.
The local YLT text gives this verse as the immediate unit, so "for good" and "faith" carries the first interpretive weight. In Psalms context, the local focus is worship, trust, the LORD's kingship, and covenant mercy.
A plain takeaway is to answer the verse's own emphasis on "for good" and "faith" with trust shaped by these words, not by a vague optimism outside the passage.