Passage
He is giving power to the weary, And to those not strong He increaseth might.
He is giving power to the weary, And to those not strong He increaseth might.
Isaiah 40:27 Why sayest thou, O Jacob? and speakest thou, O Israel? `My way hath been hid from Jehovah, And from my God my judgment passeth over.'
Isaiah 40:28 Hast thou not known? hast thou not heard? The God of the age--Jehovah, Preparer of the ends of the earth, Is not wearied nor fatigued, There is no searching of His understanding.
Isaiah 40:29 He is giving power to the weary, And to those not strong He increaseth might.
Isaiah 40:30 Even youths are wearied and fatigued, And young men utterly stumble,
Isaiah 40:31 But those expecting Jehovah pass <FI>to<Fi> power, They raise up the pinion as eagles, They run and are not fatigued, They go on and do not faint!
The verse centers on "giving", "power", "weary", "strong", "increaseth", and "might". It is saying that the verse draws attention to "giving" and "power", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 28's "Hast thou not known hast thou not..." into verse 30's "Even youths are wearied and fatigued And...", so "giving" and "power" belong inside that flow. In Isaiah context, the local focus is the Holy One of Israel, judgment and restoration, the servant of the LORD, and Zion's hope.
A plain takeaway is to answer the verse's own emphasis on "giving" and "power" with trust shaped by these words, not by a vague optimism outside the passage.