Famous quotes containing the words brain and/or activity:
“Invention flags, his brain goes muddy,
And black despair succeeds brown study.”
—William Congreve (1670–1729)
“Envy has blackened every page of his history.... The future, in its justice, will number him among those men whom passions and an excess of activity have condemned to unhappiness, through the gift of genius.”
—Eugène Delacroix (1798–1863)