Passage
For in [the power of] this the elders have obtained testimony.
For in [the power of] this the elders have obtained testimony.
Hebrews 11:1 Now faith is [the] substantiating of things hoped for, [the] conviction of things not seen.
Hebrews 11:2 For in [the power of] this the elders have obtained testimony.
Hebrews 11:3 By faith we apprehend that the worlds were framed by [the] word of God, so that that which is seen should not take its origin from things which appear.
Hebrews 11:4 By faith Abel offered to God a more excellent sacrifice than Cain, by which he obtained testimony of being righteous, God bearing testimony to his gifts, and by it, having died, he yet speaks.
The verse centers on "power", "elders", "obtained", and "testimony". It is saying that the verse draws attention to "power" and "elders", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 1's "Now faith is the substantiating of things..." into verse 3's "By faith we apprehend that the worlds...", so "power" and "elders" 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 "power" and "elders" with trust shaped by these words, not by a vague optimism outside the passage.