Famous quotes containing the words unknown and/or unknowns:
“He had much industry at setting out,
Much boisterous courage, before loneliness
Had driven him crazed;
For meditations upon unknown thought
Make human intercourse grow less and less....”
—William Butler Yeats (1865–1939)
“Pregnancy represents one of the great unknowns in life. Everyone’s at least a little worried about how it will turn out.”
—Lawrence Kutner (20th century)