Woodrow Wilson actually said...
There may come a time— I pray God it may never come, but it may, in spite of everything we do, come upon us, and come of a sudden—when I shall have to ask: 'I have had my say; who stands back of me? Where is the force by which the majesty and right of the United States are to be maintained and asserted?'
Context
Address at Convention Hall in Kansas City, Missouri
02/01/1916