Quotation:

 Oliver Wendell Holmes quotes (American Physician, Poet, Writer, Humorist and Professor at Harvard, 1809-1894)

 Oliver Wendell Holmes quotes (American Physician, Poet, Writer, Humorist and Professor at Harvard, 1809-1894)

 Oliver Wendell Holmes quotes (American Physician, Poet, Writer, Humorist and Professor at Harvard, 1809-1894)

 Oliver Wendell Holmes quotes (American Physician, Poet, Writer, Humorist and Professor at Harvard, 1809-1894)

 Oliver Wendell Holmes quotes (American Physician, Poet, Writer, Humorist and Professor at Harvard, 1809-1894)

 Oliver Wendell Holmes quotes (American Physician, Poet, Writer, Humorist and Professor at Harvard, 1809-1894)

 Oliver Wendell Holmes quotes (American Physician, Poet, Writer, Humorist and Professor at Harvard, 1809-1894)

 Oliver Wendell Holmes quotes (American Physician, Poet, Writer, Humorist and Professor at Harvard, 1809-1894)

 Oliver Wendell Holmes quotes (American Physician, Poet, Writer, Humorist and Professor at Harvard, 1809-1894)

 Oliver Wendell Holmes quotes (American Physician, Poet, Writer, Humorist and Professor at Harvard, 1809-1894)

 Oliver Wendell Holmes quotes (American Physician, Poet, Writer, Humorist and Professor at Harvard, 1809-1894)