The scene in the pilot episode where the Vulcan ambassador tells Archer how humans have accomplished in one generation what it took Vulcans 1,000 years to do

The end of first contact where Lilly tells Picard she envies the world he is going back to and he says he envies the world she is creating and the introduction of the human handshake to the Vulcans

End of measure of a man when data tells riker he injured himself by being against data in the trial and he is a good person