WALLS : Every wall has a gate. (Ralph W. Emerson: U.S. essayist, poet, and philosopher who led the transcendentalist movement, 1803-1882)

WALLS : Men build too many walls and not enough bridges. (Isaac Newton: English mathematician, physicist, astronomer, theologian, and author who is widely recognized as one of the most influential scientists of all time and a key figure in the scientific revolution, 1642-1727)

WALLS : Walls don't work. . . . Instead of building walls to create security, we need to build bridges. (James Stavridis: U.S. retired U.S. naval admiral and chair of the board of trustees of the Rockefeller Foundation, Born 1955)