Charles Spurgeon Commentary Isaiah 49:2

"and he hath made my mouth like a sharp sword; in the shadow of his hand hath he hid me: and he hath made me a polished shaft; in his quiver hath he kept me close:" — Isaiah 49:2 (ASV)

And he has made my mouth like a sharp sword;

There are no words anywhere so piercing as the words of our Lord Jesus Christ. When you are giving quotations from various authors, you need never write the name "Jesus" at the bottom of any of his words, for they proclaim their own origin. Never man spoke like this man.

In the shadow of his hand has he hid me, and made me polished shaft; in his quiver has he hid me;

The great weapon of God against sin is his Son Jesus Christ.

God has no such means of smiting evil, or effecting his purposes of love, as his own dear Son. This is the "polished shaft" which Jehovah delights to use.