The Valley of Vision is a collection of Puritan prayers. It's a really good resource to have, especially when words escape you in prayer. Here's a great one entitled Need of Jesus and I desperately do need him!
I am blind, be thou my light,
ignorant, be thou my wisdom,
self-willed, be thou my mind.
Open my ear to grasp quickly thy Spirit's voice,
and delightfully run after his beckoning hand;
Melt my conscience that no hardness remain,
make it alive to evil's slightest touch;
When Satan approaches may I flee to thy wounds,
and there cease to tremble at all alarms.
Be my good shepherd to lead me into
the green pastures of thy Word,
and cause me to lie down beside the rivers
of it's comforts.
Fill me with peace, that no disquieting worldly gales
may ruffle the calm surface of my soul.
Thy cross was upraised to be my refuge,
Thy blood streamed forth to wash me clean,
Thy death occured to give me surety,
Thy name is my property to save me,
By thee all heaven is poured into my heart,
but it is too narrow to comprehend thy love.
I was a stranger, an outcast, a slave, a rebel,
but thy cross has brought me near,
has softened my heart,
has made me thy Father's child,
has admitted me to thy family,
has made me joint-heir with thyself.
O that I may love thee as thou lovest me,
that I may walk worthy of thee, my Lord,
that I may reflect the image of heaven's first-born.
May I always see thy beauty with the clear eye of faith,
and feel the power of thy Spirit in my heart,
for unless he move mightily in me
no inward fire will be kindled.
May you move mightily in me Lord Jesus, without you I am truly nothing.