Money is a great servant but a bad master.

Esteem money neither more nor less than it deserves, it is a good servant and a bad master.

Money is in some respects like fire; it is a very excellent servant but a terrible master.

N'estime l'argent ni plus ni moins qu'il ne vaut: c'est un bon serviteur et un mauvais maître.

Money is, in some respects, like fire. It is a very excellent servant, but a terrible master.

The markets make a good servant but a bad master, and a worse religion

If money be not thy servant, it will be thy master. The covetous man cannot so properly be said to possess wealth, as that may be said to possess him.

Words are good servants but bad masters.

Imagination is a good servant, and a bad master.

It is with our passions, as it is with fire and water, they are good servants but bad masters.

Think of the old cliché about the mind being 'an excellent servant but a terrible master'. This, like many clichés, so lame & banal on the surface, actually expresses a great & terrible truth.

The mind is a wonderful servant but a terrible master.

The mind is a wonderful servant, but a terrible master.

Do we realize that industry, which has been our good servant, might make a poor master?