Anxiety is one of the greatest traitors that real virtue and solid devotion can ever have. It pretends to warm us to do good works, but doesn't and we grow cold; it makes us run only to make us trip. One must be careful of this on all occasions particularly at prayer. And to better succeed it would be well to remember that graces and the consolations of prayer are not waters of this earth, but of Heaven, and that therefore all our efforts are not sufficient to make them fall, even though it is necessary to prepare oneself with great diligence, but always humbly and tranquilly; one must keep ones heart turned to Heaven and wait from there the heavenly dew.
--St. Padre Pio