Life is a sexually transmitted disease.Guy Bellamy
- "Live long and prosper." said on many occasions, normally accompanied by salute. Standard reply
- "Peace and Long Life"
- "Infinite diversity in infinite combinations"
- "My mind to your mind...my thoughts to your thoughts..."
- (Chant used during Vulcan mind melds)
- Only Nixon could go to China
- "May your journey be free of incident."
- "Nothing unreal exists"
- "Logic is the cement of our civilization, with which we ascend from chaos, using reason as our guide" : T'Plana-Hath, Matron of Vulcan Philosophy
- "Wanting is more pleasurable than having".