Here is a translation from the Latin.
WORD FOR WORD
de - from ; parvis - little things ; grandis - grand things ; acervus - accumulation ; erit - will come
"From many small contributions a great work can emerge."
Google's continual development of information processing applications - from gadgets like those for the iGoogle home page and desktop, to services like Google Maps - amounts to a great contribution.
Whitney, Geffrey. A Choice of Emblemes, and other devises, For the moste part gathered out of sundrie writers, Englished and Moralized. And divers newly devised. / by Geffrey Whitney ... Imprinted at Leyden, In the house of Christopher Plantyn, by Francis Raphelengius, 1586.