Never show anger at slight,Tell nothing.Earn Respect from everyone by deeds,not Words.Respect the members of your Blood Family.Gambling was Recreation,Not a way to earn a Living.Love your Father,your Mother, your Sister but beware of Loving any other Woman than your Wife.And a Wife was a woman who bore your Children.And once that happened to You,your Life was Forfeit to give them their daily bread

Santino, never let anyone outside the family know what you are thinking. Never let them know what you have under your fingernails. I think your brain is going soft from all that comedy you play with that young girl. Stop it and pay attention to business. Now get out of my sight.

Like many businessmen of genius he learned that free competition was wasteful, monopoly efficient. And so he simply set about achieving that efficient monopoly.

there was no greater natural advantage in life than having an enemy overestimate your faults, unless it was to have a friend underestimate your virtues.

Let us be separated by wars and pestilence, death, madness but not by the passing of time.

And in that fraction of a second before anything actually happened, Santino Corleone knew he was a dead man.

We are all honorable men here, we don 't have to give each other assurances as if we were lawyers.