- Merlin, I am the strongest! I am the one! The sword! You promised me the sword!
- Talk! Talk is for lovers, Merlin. I need the sword to be King!
- No-one shall have the sword! No-one shall wield Excalibur...But ME!
- Any Man who would be a Knight, Follow a King, Follow Me!
- Merlin if only you were at my side my old friend to give me courage. There are no war tricks that will fool Mordred and Morgana. More than I ever did I need you now.
- Where are you Merlin? If only you could see me wield Excalibur one more time.
- Where have you been these many years... are you just a dream Merlin?
- Ready my knights for battle. They will ride with their king once more. I have lived through others for far too long. Lancelot carried my honor, and Guenevere, my guilt. Mordred bears my sins. My knights have fought my causes. Now, my brother, I shall be... king.
- I must ride with my knights to defend what was, and the dream of what could be.
- I have often thought that in the hereafter of our lives, when I owe no more to the future and can be just a man... that we may meet, and you will come to me and claim me as yours, and know that I am your husband. It is a dream I have...
- Do... as I command! One day, a King will come, and the Sword will rise... again.
- I have walked my way since the beginning of time. Sometimes I give, sometimes I take, it is mine to know which and when!
- Behold! The Sword of Power! Excalibur! Forged when the world was young, and bird and beast and flower were one with man, and death was but a dream!
- You will be the land, and the land will be you. If you fail, the land will perish; as you thrive, the land will blossom.
- Anál nathrach, orth’ bháis’s bethad, do chél dénmha.
- Look upon this moment. Savor it! Rejoice with great gladness! Great gladness! Remember it always, for you are joined by it. You are One, under the stars. Remember it well, then... this night, this great victory. So that in the years ahead, you can say, "I was there that night, with Arthur, the King!" For it is the doom of men that they forget.
- Merlin, following the decisive British Victory over the Saxons at the Great Siege and Battle of Mount Badon.
- I once stood exposed to the Dragon's Breath so that a man could lie one night with a woman. It took me nine moons to recover. And all for this lunacy called, "love", this mad distemper that strikes down both beggar and king. Never again. Never.
- It is a lonely life, the way of the necromancer... oh, yes. Lacrimae Mundi — the tears of the world.
- The days of our kind are numberèd. The one God comes to drive out the many gods. The spirits of wood and stream grow silent. It's the way of things. Yes... it's a time for men, and their ways.
- Remember, there's always something cleverer than yourself.
- Looking at the cake is like looking at the future, until you've tasted it what do you really know? And then, of course, it's too late.
- You and the land are one.
- Drink from the chalice and you will be reborn and the land with you.
- To Arthur after the Quest for the Holy Grail has ended in success
- The fog is lifting.
- To Arthur at the conclusion of the Battle of Camlann/Slaughterbridge
- Ector: [before the battles of unification] All these men are loyal.
- Kay: [following Parsifal succeeding on the Grail Quest] Guards! Knights! Squires! Prepare for Battle!
- Mordred: [to Arthur during their battle] Come father. Let us embrace at last.
- Uryens: In the name of God, St. Michael, and St. George, I give you the right to bear arms and the power to mete justice.
- Merlin: Uther...
Uther: Merlin! I am the strongest! I am the one! The sword! You promised me the sword!
Merlin: And you shall have it; but to heal, not to hack. Tomorrow, a truce; we meet at the river.
Uther: Talk! Talk is for lovers, Merlin! I need the sword to be king!
- Merlin: Shall I tell you what's out there?
Arthur: Yes, please.
Merlin: The dragon. A beast of such power that if you were to see it whole and complete in a single glance, it would burn you to cinders.
Arthur: Where is it?
Merlin: It is everywhere. It is everything. Its scales glisten in the bark of trees. Its roar is heard in the wind. And its forked tongue strikes like... [lightning strikes]
Merlin: Like lightning — yes that's it.
- Arthur: Move aside! This is the king's road — and the knights you joined arms against were his very own.
Lancelot: I await the king himself. His knights are in need of training.
Arthur: I am King. And this [draws the sword] is Excalibur. Sword of Kings from the dawn of time. Who are you, what do you seek?
Lancelot: I am Lancelot of the Lake, from across the sea. And I have yet to find a King worthy of my sword.
- Arthur: Merlin! What have I done?
Merlin: You have broken what could not be broken! Now, hope is broken.
Arthur: My pride broke it. My rage broke it! This excellent knight, who fought with fairness and grace, was meant to win. I used Excalibur to change that verdict. I've lost, for all time. The ancient sword of my fathers, whose power was meant to unite all men... not to serve the vanity of a single man. I am... nothing.
- Merlin: You have a kingdom to rule.
Arthur: But how? I don't know how.
Merlin: You knew how to draw the sword from the stone.
Arthur: That was easy.
Merlin: Was it? I couldn't have done it.
- Merlin: You brought me back. Your love brought me back. Back to where you are now. In the land of dreams.
Arthur: Are you a dream Merlin?
Merlin: A dream to some. A nightmare to others.
- Nigel Terry - King Arthur
- Helen Mirren - Morgana
- Nicholas Clay - Lancelot
- Cherie Lunghi - Guenevere
- Nicol Williamson - Merlin
- Robert Addie - Mordred
- Gabriel Byrne - Uther Pendragon