Famous quotes containing the words zone and/or material:
“He who, from zone to zone,
Guides through the boundless sky thy certain flight,
In the long way that I must tread alone,
Will lead my steps aright.”
—William Cullen Bryant (1794–1878)
“I do not deny the existence of material substance merely because I have no notion of it, but because the notion of it is inconsistent, or in other words, because it is repugnant that there should be a notion of it.”
—George Berkeley (1685–1753)