Grade Signal

Famous quotes containing the words grade and/or signal:

“Ideas are like pizza dough, made to be tossed around, and nearly every book represents what my son’s third grade teacher refers to as a “teachable moment.””
—Anna Quindlen (b. 1952)

“By day thy warning ringing bell to sound its notes,
By night thy silent signal lamps to swing.”
—Walt Whitman (1819–1892)