Though 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 CrossFor 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 CrossHave a great love for those who contradict and fail to love you, for in this way love is begotten in a heart that has no love.
John of the CrossSee that you are not suddenly saddened by the adversities of this world, for you do not know the good they bring, being ordained in the judgments of God for the everlasting joy of the elect.
John of the Cross