For true devotion must issue from the heart, and consist in the truth and substances alone of what is represented by spiritual things; all the rest is affection and attachment proceeding from imperfection; and in order that one may pass to any kind of perfection it is necessary for such desires to be killed.
John of the CrossNever give up prayer, and should you find dryness and difficulty, persevere in it for this very reason. God often desires to see what love your soul has, and love is not tried by ease and satisfaction.
John of the CrossThough the path is plain and smooth for men of good will, he who walks it will not travel far, and will do so only with difficulty, if he does not have good feet: that is, courage and a persevering spirit.
John of the CrossLive as though only God and yourself were in this world, so that your heart may not be detained by anything human.
John of the CrossSeek in reading and you will find in meditation; knock in prayer and it will be opened to you in contemplation.
John of the Cross