The purpose of protecting the life of our Nation and preserving the liberty of our citizens is to pursue the happiness of our people. Our success in that pursuit is the test of our success as a Nation.

Lyndon B. Johnson (1908-1973) American politician, educator, US President (1963-69)

Speech (1964-05-22), Graduation, University of Michigan, Ann Arbor
    (Source)

Introducing his new Great Society policy agenda. See Jefferson.