You can also, for instance, keep say 100 Citrix servers in a data center and roll out 'thin clients' to 2500+ people around the globe. The servers are then kept secure and safe (since that's where the data is), and the client PCs have nothing to them.
Our fear is in Banquo. stick deep. Macbeth and Lady Macbeth is talking with each other as Macbeth ordered killers to assassin Banquo and his son. However, by looking at this quote, Macbeth mentions that he is sacred and in fact he's fear in Banquo stick deep into his heart.
In Shakespeare's Macbeth, it is Macbeth that orders the death of Macduff's wife and children after he finds out that Macduff has left England. Macbeth does this because he is uncertain of his own position in the kingdom. After ordering the death of Banquo and Fleance, Banquo's ghost is the one that spooks him.