Quotes / Eureka Moment

Okay, this is the second time an offhand comment has caused a Light Bulb Moment for Kirk in one conversation.

Quan Chi: Shao Kahn's victory is nearly complete. Soon, he will arrive in Earthrealm.
Raiden: No! The Elder Gods will not allow it!
Quan Chi: The Elder Gods are toothless. Your world is near destruction, yet they do not act.
Raiden: They must! Only through Mortal Kombat may Shao Kahn merge the realms, lest he face the judgement of the Elder Gods... [beat] Lest he face the judgement of the Elder Gods! He must win!
Quan Chi: It is you who face judgement, Raiden.
Raiden: Thank you, Quan Chi. I now know what must be done. [teleports away]

"Are you telling me that all of the swords were being made with these Words of Making?"
[Yis-fidri nods]
"Chukku's stones! [...] I think I am finally seeing to the heart of our enemy's plan, and I am very much afraid that the monk is right - there may be nothing for our doing after all!"
Binabik, To Green Angel Tower (Memory, Sorrow and Thorn)

Or perhaps it's really not as deep
As I've been led to think
Am I trying much too hard?
Of course! I've been too close to see
The answer's right in front of me
Right in front of me
The Nightmare Before Christmas, "Jack's Obsession"

Square: "Well let's look at the facts, shall we? You said something fairly innocuous that happened to give me a brilliant idea. In order to inflate your hopes and dreams before crushing them, I called you a genius. The truth however, is that I was the one who had the idea, whereas you were just some blathering idiot."
Rectangle: "Square! You're back!"
Square: "So remember, when someone says "you're a genius," what they really mean is, "I'm a genius.""
Circle vs. Square

"The Superfriends solved crimes in two ways: asking their computer to do it, or stumbling onto the solution by saying something stupid. For example, Marvin might say, "They've kidnapped Aquaman! We're in a real pickle now!" Which would cause Batman to say, "That's it! Now I remember that they're keeping Aquaman at the Gotham Pickle Factory!" Idioms are half the Super Friends' detective work."

"...I just gave you the answer, didn't I?"

"Permission to run off dramatically mid-sentence?"
Tip Wilkin, Skin Horse

Weiss: "Sheep hunting? There really is no task too immodest for you."
Nier: "It's a lot harder than it sounds, Weiss... these little bastards are fast."
Weiss: "So smite them with magic!"
Nier: "Aw, crap!"
Weiss: "What is it? Shades?!"
Nier: "You're right. I SHOULD use magic!"
Weiss: (Beat) "Might I make another suggestion?"
Nier: "What?"
Weiss: "Stop yelling like a madman every time you come to a realization."

I hate the “[tortured wordplay]????? You’re a GENIUS!” trope, but I used it anyway.
David Willis, in The Rant for this It's Walky! strip.