Teresa of Ávila: Thing

First Mansions, Ch. 1, as translated by E. Allison Peers (1961) p. 18
Interior Castle (1577)
Context: It is no small pity, and should cause us no little shame, that, through our own fault, we do not understand ourselves, or know who we are. Would it not be a sign of great ignorance, my daughters, if a person were asked who he was, and could not say, and had no idea who his father or mother was, or from what country he came? Though that is a great stupidity, our own is incomparably greater if we make no attempt to discover what we are, and only know that we are living in these bodies and have a vague idea, because we have heard it, and because our faith tells us so, that we possess souls. As to what good qualities there may be in our souls, or who dwells within them, or how precious they are — those are things which seldom consider and so we trouble little about carefully preserving the soul's beauty. All our interest is centred in the rough setting of the diamond and in the outer wall of the castle – that is to say in these bodies of ours.

Source: The Life of St. Teresa of Jesus (c.1565), Ch. XXV. "Divine Locutions. Discussions on That Subject" ¶ 26 & 27
Variant translation: I do not fear Satan half so much as I fear those who fear him.
Context: May it please His Majesty that we fear Him whom we ought to fear, and understand that one venial sin can do us more harm than all hell together; for that is the truth. The evil spirits keep us in terror, because we expose ourselves to the assaults of terror by our attachments to honours, possessions, and pleasures. For then the evil spirits, uniting themselves with us, — we become our own enemies when we love and seek what we ought to hate, — do us great harm. We ourselves put weapons into their hands, that they may assail us; those very weapons with which we should defend ourselves. It is a great pity. But if, for the love of God, we hated all this, and embraced the cross, and set about His service in earnest, Satan would fly away before such realities, as from the plague. He is the friend of lies, and a lie himself. He will have nothing to do with those who walk in the truth. When he sees the understanding of any one obscured, he simply helps to pluck out his eyes; if he sees any one already blind, seeking peace in vanities, — for all the things of this world are so utterly vanity, that they seem to be but the playthings of a child, — he sees at once that such a one is a child; he treats him as a child, and ventures to wrestle with him — not once, but often.
May it please our Lord that I be not one of these; and may His Majesty give me grace to take that for peace which is really peace, that for honour which is really honour, and that for delight which is really a delight. Let me never mistake one thing for another — and then I snap my fingers at all the devils, for they shall be afraid of me. I do not understand those terrors which make us cry out, Satan, Satan! when we may say, God, God! and make Satan tremble. Do we not know that he cannot stir without the permission of God? What does it mean? I am really much more afraid of those people who have so great a fear of the devil, than I am of the devil himself. Satan can do me no harm whatever, but they can trouble me very much, particularly if they be confessors. I have spent some years of such great anxiety, that even now I am amazed that I was able to bear it. Blessed be our Lord, who has so effectually helped me!

Source: The Life of St. Teresa of Jesus (c.1565), Ch. XXV. "Divine Locutions. Discussions on That Subject" ¶ 22 & 23
Context: All things fail; but Thou, Lord of all, never failest! They who love Thee, oh, how little they have to suffer! oh, how gently, how tenderly, how sweetly Thou, O my Lord, dealest with them! Oh, that no one had ever been occupied with any other love than Thine! It seems as if Thou didst subject those who love Thee to a severe trial: but it is in order that they may learn, in the depths of that trial, the depths of Thy love. O my God, oh, that I had understanding and learning, and a new language, in order to magnify Thy works, according to the knowledge of them which my soul possesses! Everything fails me, O my Lord; but if Thou wilt not abandon me, I will never fail Thee. Let all the learned rise up against me, — let the whole creation persecute me, — let the evil spirits torment me, — but do Thou, O Lord, fail me not; for I know by experience now the blessedness of that deliverance which Thou dost effect for those who trust only in Thee. In this distress, — for then I had never had a single vision, — these Thy words alone were enough to remove it, and give me perfect peace: "Be not afraid, my daughter: it is I; and I will not abandon thee. Fear not."
It seems to me that, in the state I was in then, many hours would have been necessary to calm me, and that no one could have done it. Yet I found myself, through these words alone, tranquil and strong, courageous and confident, at rest and enlightened; in a moment, my soul seemed changed, and I felt I could maintain against all the world that my prayer was the work of God. Oh, how good is God! how good is our Lord, and how powerful! He gives not counsel only, but relief as well. His words are deeds. O my God! as He strengthens our faith, love grows.

As quoted in The Road to Emmaus : Pilgrimage as a Way of Life (2007) by Jim Forest, p. 61

"Poem IX", in Complete Works St. Teresa of Avila (1963) edited by E. Allison Peers, Vol. 3, p. 288
Context: Let nothing disturb thee;
Let nothing dismay thee:
All things pass;
God never changes.
Patience attains
All that it strives for.
He who has God
Finds he lacks nothing:
God alone suffices.

Variant: The important thing is not to think much, but to love much.

Source: Interior Castle

Maxim 35, p. 258
Maxims for Her Nuns (1963)

The Way of Perfection, p. 41