Before God can use a man greatly he must wound him deeply.
The greatest need we have is not to do things, but to believe things.
We do not pray at all until we are at our wits' end.
There are many things that are perfectly legitimate, but if you are going to concentrate on God you cannot do them.
The life of faith is not a life of mounting up with wings, but a life of walking and not fainting.
The battle of prayer is against two things in the earthlies: wandering thoughts and lack of intimacy with God's character as revealed in His word. Neither can be cured at once, but they can be cured by discipline.