Believe

Anyone

Who witnesses must believe that the Word of God

is powerful enough to reach the unbeliever.

For the word of God is quick (alive), and powerful,

and sharper than any two-edged sword, piercing even

to the dividing asunder of soul and spirit, and of the 

joints and marrow, and is a discerner of the thoughts

and intents of the heart.

Heb.4:12

You have God's guarantee that His Word will never return

void, but rather that it will prosper and accomplish God"s will.

Isa. 55:11

No one who HOPES in the Lord will ever be put to shame.

Ps. 25:3