Trek Yourself Before You Wreck Yourself

Vulcans really know how to turn a memorable phrase.  Live Long & Prosper.  Infinite Diversity Infinite Combination.  Fascinating.  Logic dictates.  Etc.  You could even say Vulcans know how to rap.

Check out Mister Spock flashing that Vulcan peace sign.  Vulcan philosophy?  Maybe it's simply good old fashioned common sense.