American Quotes and aphorisms about civilizations Carlisle Floyd Indya Moore Inga Muscio ,, Words outlive people, institutions, civilizations. Words spur images, associations, memories, inspi... L. Ron Hubbard Sam Harris ,, To speak specifically of our problem with the Muslim world, we are meandering into a genuine clash ... Louis Sullivan Freeman Dyson Neil deGrasse Tyson William Feather Gutzon Borglum