To have prevented one single sin is reward enough for the labors and efforts of a whole lifetime.
Saint IgnatiusAll my days were written in Your book and planned before a single one of them began. Psalm 139:16
S.L. RubartThere's not a single person in Arizona today who would say the Grand Canyon was a mistake.
Stewart UdallI have no formal training as a writer at all, not even a single English class in college.
Scott WesterfeldThe greatest single achievement of nature to date was surely the invention of the molecule DNA.
Lewis Thomas