"Resolve, sisters, that it is to die for Christ, and not to practice self-indulgence for Christ, that you have come here." Source: Saint Teresa of Avila, The Way of Perfection, Dover Thrift Editions, 2012.
"Do not long after things afar off; such, I mean, as cannot happen till a distant time… these useless wishes take the place of such as I ought to have – namely, to be patient, resigned, self-denying, obedient, gentle under suffering – which are what God requires of me under the circumstances." Source: St. [...]
"No nation, as no individual, ever achieves anything worth while except through sacrifice and self-denial." Source: Ven. Fulton J. Sheen, Way to Happiness, St. Pauls, 1998.
"If only everyone weak and imperfect like me felt as I do, no one would despair of reaching the heights of love, for Jesus does not ask for glorious deeds. He asks only for self-surrender and for gratitude." Source: St. Therese of Lisieux, The Story of a Soul, Saint Benedict Press, 2010. [...]
"Our enjoyment of life is vastly increased if we follow the spiritual injunction to bring some mortification and self-denial into our lives." Source: Ven. Fulton J. Sheen, Way to Happiness, St. Pauls, 1998.
"Some there are who wish to serve Our Lord only on condition of being better treated than they were in the world. Oh, how many there are who demand of religion only its advantages, who enter it only to make sure of their bread, to find in it a resource, a commodious shelter! Religious nobodies! [...]
"True devotion to our Lady is holy, that is, it leads us to avoid sin and to imitate the virtues of Mary. Her ten principal virtues are: deep humility, lively faith, blind obedience, unceasing prayer, constant self-denial, surpassing purity, ardent love, heroic patience, angelic kindness, and heavenly wisdom." Source: St. Louis de Montfort, True [...]