Hi, JohnB.
I was tremendously blessed by being able to watch the life of a great man of God up close. If anyone is encouraged to walk more closely with and do more for Christ by the tidbits I post here, Grandpa will be happy in Heaven!
Yes, John R. was comparatively brief in prayer, but very constant. I don't remember ever seeing him spend the hours in prayer of a Mueller, Taylor or "Praying John" Hyde. He was a man of both action and prayer. He was more likely to be praying as he did something for Jesus than simply praying for long periods of time.
I don't think any of us need to feel guilty for not praying for hours. Mueller, Taylor and Hyde were different. Maybe if some of us prayed like they did we would end up neglecting our families (though Hyde was unmarried). Or, we might end up like David Brainard, who would get off his horse during a trip and pray in the snow for hours, eventually destroying his health and ending his ministry at a young age.
I believe the pattern for most Christians is a constant walk with God, praying when needed throughout the day. Here are John R. Rice's comments on 1 Thess. 5:17, "Pray without ceasing."
"Here is a command without any modification by the context. As long as men in any country, in any language, read the Bible, they will read this plain command to pray without ceasing. Not only ought we to pray; we ought to pray all the time! Prayer should be the continual turning of our hearts to God about every thing we need and everything we want until the subconscious mind is continually in touch with God. As a mother in her sleep listens for the cry of her baby, so a Christian's heart can be attuned to God while he is absorbed in daily duties or even when he sleeps!" (
Prayer: Asking and Receiving, Ch. 2)
Concerning a John R. Rice biography, there are only two major ones with a couple of pamphlets also. "Miss Viola" did a good job, but I feel the revised version of
Man Sent From God by Robert Sumner is best. (Look for a young me in the pictures of the family at the end!) Unfortunately, it seems to be out of print at the Sword website, but you can get it used at Amazon.com. One of the pamphlets is online at:
http://www.gotothebible.com/HTML/ricegiant.html
For my own insights, I had a book published in 1979 by the Sword,
The Making of a Soul Winner, the first chapter of which is some of my recollections. It is long out of print, but I'm hoping to have Ch. 1 on my website soon, so please check there. Or, I can send you the file by e-mail if you will PM me.
There is also a two-volume doctoral dissertation about John R. Rice by an SBC doctoral candidate, who interviewed many family members, but I don't know where you could find that. I'd tell you if I remembered more about it. I'm due to inherit my mom's copy--someday!