Money is in some respects life's fire: it is a very excellent servant, but a terrible master.
P. T. BarnumPulse as an active means of expression, Stravinsky and Beethoven are the two masters of that.
Esa-Pekka SalonenMost people don't have time to master the very mathematical details of theoretical physics.
Stephen HawkingWhoever controls the volume of money in any country is absolute master of all industry and commerce.
James A. Garfield