Instead of passing himself off as a man? You belong in the circus, Spock, not a starship. Right next to the dog face boy! [Spock begins beating the stew out of Kirk - he picks up a stool, ready to hit Kirk, then stops - the spore's influence is gone]

Christopher Pike : Mr. Spock, I'm leaving you in command of the Enterprise. Once we have transport capability and communications back up, you'll contact Starfleet and report what the hell's going on here.

Be the captain of this Enterprise, Mr. Spock. Find a logical reason for sparing the Halkans and make it stick. Push 'til it gives. You can defend yourself better than any man in the fleet.

Mr. Spock : The release of bacteria, or a helpless mental depression, and a state of suicidal anxiety could have been chemically induced. Mr. Spock : According to the legend, Triacus was the seat of a band of marauders who made constant war throughout the system of Epsilon Indi.

The Galileo, under Spock's command, crash-lands on a hostile planet. As the Enterprise races against time to find the shuttlecraft, Spock's strictly logical leadership clashes with the fear and resentment of his crew.

Leonard Nimoy. Actor: Star Trek IV: The Voyage Home. Leonard Simon Nimoy was born in Boston, Massachusetts, to Dora (Spinner) and Max Nimoy, who owned a barbershop. His parents were Ukrainian Jewish immigrants.

Dr. McCoy : There's just one thing, Mr. Spock. You can't tell me that when you first saw Jim alive that you weren't on the verge of giving us an emotional scene that would have brought the house down.

For the Love of Spock: Directed by Adam Nimoy. With Zoe Saldana, Chris Pine, Karl Urban, Zachary Quinto. An examination of the enduring appeal of Leonard Nimoy and his portrayal of Spock in Star Trek (1966).

Spock Prime : Mr. Spock. Spock : I will be brief. In your travels, did you ever encounter a man named Khan?

Mr. Spock : Captain, the one described as the barbarian is also listed here: Flight Officer William B. Harrison, of the S.S. Beagle. At least there WERE some survivors down there.