Letter to friends (1780), published in Memoirs de La Fayette Vol. II, p. 50, quoted in Martin's History of France : The Decline of the French Monarchy (1866) by Henri Martin, Vol. II, p. 418
Variant translations:
Humanity has gained its suit : Liberty will never more be without an asylum.
As quoted in Oration on the Hundredth Anniversary of the Surrender of Lord Cornwallis to the Combined Forces of America and France: At Yorktown, Virginia, 19th October, 1781: Delivered at Yorktown, 19th October, 1881 (1881), by Robert Charles Winthrop, p. 53
Humanity has won its battle. Liberty now has a country.
As quoted in French Contributions to America (1945) by Edward Fecteau
Humanity has won its suit and liberty will never more want an asylum.
As quoted in Journal of Proceedings and Addresses (1891) by National Educational Association, p. 107