“It is with our passions, as it is with fire and water, they are good servants but bad masters.”
“Money. It's a good servant but a bad master.”
“Fire and fear, good servants, bad lords.”
“Money is a great servant but a bad master.”
“You gave too much rein to your imagination. Imagination is a good servant, and a bad master. The simplest explanation is always the most likely.”
“If you were a servant would you not be ashamed that a good master should catch you idle? Then if you are your own master be ashamed to catch yourself idle.”