Theodore Roosevelt actually said...

Let not him who is houseless pull down the house of another, but let him work diligently and build one for himself, thus by example assuring...

No man is worth his salt in public life who makes on the stump a pledge which he does not keep after election; and, if he makes such a pledg...

I care for the great deeds of the past chiefly as spurs to drive us onward in the present.

A broken promise is bad enough in private life. It is worse in the field of politics.