Famous quotes containing the words observed and/or variable:
“Man, being the servant and interpreter of nature, can do and understand so much and so much only as he has observed in fact or in the course of nature: beyond this he neither knows anything nor can do anything.”
—Francis Bacon (1560–1626)
“Walked forth to ease my pain
Along the shore of silver streaming Thames,
Whose rutty bank, the which his river hems,
Was painted all with variable flowers,”
—Edmund Spenser (1552?–1599)