This prayer is taken from The Valley of Vision, a compilation of Puritan prayers:
I bless you that you have given me the eye of faith,
to see you as father,
to know you as covenant God,
to experience your love planted in me;
For faith is the grace of union
by which I spell out my entitlement to you:
Faith casts my anchor upward
where I trust in you
and engage you to be my Lord.
Be pleased to live and move within me,
breathing in my prayers,
inhabiting my praises,
speaking in my words,
moving in my actions
living in my life,
causing me to grow in grace.
Your bounteous goodness has helped me believe,
But my faith is weak and wavering,
its light dim,
its steps tottering,
its increase slow,
its backslidings frequent;
It should scale the heavens, but lies groveling in the dust.
Lord, fan this divine spark into glowing flame
When faith sleeps, my heart becomes
an unclean thing
the fount of every loathsome desire,
the cage of unclean lusts
all fluttering to escape,
the noxious tree of deadly fruit
the open wayside of earthly tares.
Lord, awake faith to put forth its strength
until all heaven fills my soul
and all impurity is cast out.