It is impossible to get exhausted in work for God. We get exhausted because we try to do God's work in our own way.
Earnestness is not by any means everything; it is very often a subtle form of pious pride because it is obsessed with the method and not with the Master.
When a man gets to despair he knows that all his thinking will never get him out. He will only get out by the sheer creative effort of God. Consequently he is in the right attitude to receive from God that which he cannot gain for himself.
You will never cease to be the most amazed person on earth at what God has done for you on the inside.
When a man is at his wits' end it is not a cowardly thing to pray, it is the only way he can get in touch with Reality.
We have to pray with our eyes on God, not on the difficulties.
We look upon the enemy of our souls as a conquered foe, so he is, but only to God, not to us.
The dearest friend on earth is a mere shadow compared to Jesus Christ.
Holiness, not happiness, is the chief end of man.