The intelligent man who is proud of his intelligence is like a condemned man who is proud of his large cell.

"Attention consists of suspending our thought, leaving it detached, empty and ready to be penetrated by the object. It means holding in our minds, within reach of this thought, but on a lower level and not in contact with it, the diverse knowledge we have acquired which we are forced to make use of. Above all our thought should be empty, waiting, not seeking anything, but ready to receive in its naked truth the object which is to penetrate it."

"Absolute unmixed attention is prayer. "