You are not shown the whole road at once. The Word is a lamp — enough light for the next step.
8 verses · KJV
Trust in the LORD with all thine heart; and lean not unto thine own understanding.
In all thy ways acknowledge him, and he shall direct thy paths.
I will instruct thee and teach thee in the way which thou shalt go: I will guide thee with mine eye.
Thy word is a lamp unto my feet, and a light unto my path.
And thine ears shall hear a word behind thee, saying, This is the way, walk ye in it, when ye turn to the right hand, and when ye turn to the left.
Call unto me, and I will answer thee, and shew thee great and mighty things, which thou knowest not.
If any of you lack wisdom, let him ask of God, that giveth to all men liberally, and upbraideth not; and it shall be given him.
A man's heart deviseth his way: but the LORD directeth his steps.