Famous quotes containing the words essential and/or evidence:
“Revolution as an ideal concept always preserves the essential content of the original thought: sudden and lasting betterment.”
—Johan Huizinga (1872–1945)
“No further evidence is needed to show that “mental illness” is not the name of a biological condition whose nature awaits to be elucidated, but is the name of a concept whose purpose is to obscure the obvious.”
—Thomas Szasz (b. 1920)