Star Trek (4)

"Fool me once, shame on you.
Fool me twice, prepare to die."
- Klingon Proverb, Star Trek

"They say time is the fire in which we burn."
- Dr. Tolian Soran, Star Trek: Generations

Spock: To hunt a species to extinction is not logical.
Gillian: Whoever said the human race was logical?
- Star Trek - The Voyage Home

Khan: Do you know the Klingon proverb that tells us, "Revenge
is a dish that is best served cold"? It is very cold...in space.
- Star Trek - The Wrath of Khan

Picard: "Gilgamesh and Enkidu at Uruk."
- Star Trek the Next Generation, Episode: Darmok