Quotation:

 Ralph Waldo Emerson quotes (American Poet, Lecturer and Essayist, 1803-1882)

 Frank Lloyd Wright quotes (American Architect and Writer, the most abundantly creative genius of American architecture. His Prairie style became the basis of 20th century residential design in the United States, 1867-1959)

 Spiro Kostof quotes

 Philip Johnson quotes

 Henry Wadsworth Longfellow quotes (the most popular American Poet in the 19th century, 1807-1882)

 Johann Wolfgang von Goethe quotes (German Playwright, Poet, Novelist and Dramatist. 1749-1832)

 George E. Hartman quotes

 Frank Lloyd Wright quotes (American Architect and Writer, the most abundantly creative genius of American architecture. His Prairie style became the basis of 20th century residential design in the United States, 1867-1959)

 Ernest Dimnet quotes

 Frank Lloyd Wright quotes (American Architect and Writer, the most abundantly creative genius of American architecture. His Prairie style became the basis of 20th century residential design in the United States, 1867-1959)

 John Ruskin quotes (English Writer and Critic of art, architecture, and society, 1819-1900)