Passage
Surely as the raine commeth downe and the snow from heauen, and returneth not thither, but watereth the earth and maketh it to bring forth and bud, that it may giue seede to the sower, and bread vnto him that eateth,
Surely as the raine commeth downe and the snow from heauen, and returneth not thither, but watereth the earth and maketh it to bring forth and bud, that it may giue seede to the sower, and bread vnto him that eateth,
Isaiah 55:8 For my thoughtes are not your thoughts, neither are your wayes my wayes, sayth the Lord.
Isaiah 55:9 For as ye heauens are higher then the earth, so are my wayes higher then your wayes, and my thoughtes aboue your thoughts.
Isaiah 55:10 Surely as the raine commeth downe and the snow from heauen, and returneth not thither, but watereth the earth and maketh it to bring forth and bud, that it may giue seede to the sower, and bread vnto him that eateth,
Isaiah 55:11 So shall my worde be, that goeth out of my mouth: it shall not returne vnto me voyde, but it shall accomplish that which I will, and it shall prosper in the thing whereto I sent it.
Isaiah 55:12 Therefore ye shall go out with ioy, and be led forth with peace: the mountaines and the hilles shall breake foorth before you into ioye, and all the trees of the fielde shall clap their handes.
The verse centers on "surely", "raine", "commeth", "downe", "snow", "heauen", "returneth", and "thither". It is saying that the verse draws attention to "surely" and "raine", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 9's "For as ye heauens are higher then..." into verse 11's "So shall my worde be that goeth...", so "surely" and "raine" 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 "surely" and "raine" with trust shaped by these words, not by a vague optimism outside the passage.