Spock

"Only Nixon can go to China."

"Nothing unreal exists."

"After a time, you may find that having is not so pleasing a thing after all as wanting. It is not logical, but it is often true."

"The needs of the many outweigh the needs of the few or the one."

"Logic is the beginning of wisdom, Valeris, not the end."

"A Vulcan never bluffs."

"One man cannot summon the future."