The human voice is the most perfect instrument of all.
Why then would people look to the United Nations as an instrument of peace, if instead all it is, is an instrument of putting out declarations that nobody intends to take seriously anyway?
Barometer, n.: An ingenious instrument which indicates what kind of weather we are having.
The body is the instrument of the soul.
There is nothing more fun than hanging around with friends and banging on instruments. Anyone who has ever done it knows that this is true.
You can be enticed by food, wooed by food, sex, money, or instruments.
You would never do stand-up without an audience. I mean, no one would even consider it. It's like they're the instrument you're playing.
An artist earns the right to call himself a creator only when he admits to himself that he is but an instrument.
This is the pure form of servitude: to exist as an instrument.
The existing liberties and the existing gratifications are tied to the requirements of repression: they themselves become instruments of repression.