Controlled Substance

Famous quotes containing the words controlled and/or substance:

“To do the same thing over and over again is not only boredom: it is to be controlled by rather than to control what you do.”
—Heraclitus (c. 535 B.C.–c. 475 B.C.)

“We are nothing but ceremony; ceremony carries us away, and we leave the substance of things; we hang on to the branches and abandon the trunk and body.”
—Michel de Montaigne (1533–1592)