From J.C. Ryle:
You live in a world where your soul is in constant danger. Enemies are round you on every side. Your own heart is deceitful. Bad examples are numerous. Satan is always laboring to lead you astray. Above all false doctrine and false teachers of every kind abound. This is your great danger.
I recommend reading the full version, found here. Both certainly spurred me on in my own Bible reading and gave me renewed purpose and expectation as I approach the Scriptures.