Woodrow Wilson actually said...
I am willing, however, upon assurances of the moral and diplomatic support of the principal Powers and in a spirit of sympathetic response to the request of the Council of the League of Nations to use my good offices and to proffer my personal mediation through a representative whom I may designate to end the hostilities that are now being waged against the Armenian people and to bring peace and accord to the contending parties.
Context
Note to Council of League of Nations Accepting Request to Mediate Between Armenians arid Turks
11/29/1920