"The decision I have announced tonight means that we finally have in sight the just peace we are seeking. We can now say with confidence that pacification is succeeding. We can now say with confidence that the South Vietnamese can develop the capability for their own defense. And we can say with confidence that all American combat forces can and will be withdrawn. I could not make these statements tonight had it not been for the dedication, the bravery, the sacrifice of hundreds of thousands of young men who have served in Vietnam. Nor could I have made it had it not been for the perseverance of millions of Americans at home. When men write the history of this Nation, they will record that no people in the annals of time made greater sacrifices in a more selfless cause than the American people sacrificed for the right of 18 million people in a faraway land to avoid the imposition of Communist rule against their will and for the right of those people to determine their own future free of outside interference. The enemy has failed to win the war in Vietnam because of three basic errors in their strategy. They thought they could win a military victory. They have failed to do so. They thought they could win politically in South Vietnam. They have failed to do so. They thought they could win politically in the United States. This proved to be their most fatal miscalculation. In this great free country of ours, we debate--we disagree, sometimes violently, but the mistake the totalitarians make over and over again is to conclude that debate in a free country is proof of weakness. We are not a weak people. We are a strong people. America has never been defeated in the proud 190-year history of this country, and we shall not be defeated in Vietnam. Tonight I want to thank the American people for the support you have given so generously to the cause of a just peace in Vietnam. It is your steadiness and your stamina that the leaders of North Vietnam are watching tonight. It is these qualities, as much as any proposals, that will bring them to negotiate. It is America's resolve, as well as America's reasonableness, that will achieve our goal of a just peace in Vietnam and strengthen the foundations of a just and lasting peace in the Pacific and throughout the world. Thank you and good night."
January 1, 1970
https://en.wikiquote.org/wiki/Richard_Nixon