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.
Lady Macbeth knows right well when she tells her husband to leave all the rest to me, that by dissimulation and cunning she could plan and carry out the murder of Duncan, so that no suspicion would rest upon either Macbeth or herself.