To be prepared for war is one of the most effective means of preserving peace.
George Washington

A government of laws, and not of men.
John Adams

The truth is that all men having power ought to be mistrusted.
James Madison

A little flattery will support a man through great fatigue.
James Monroe

May our country be always successful, but whether successful or otherwise, always right.
John Quincy Adams

The right of resisting oppression is a natural right.
Andrew Jackson

It is easier to do a job right than to explain why you didn't.
Martin Van Buren

A decent and manly examination of the acts of the Government should be not only tolerated, but encouraged.
William Henry Harrison

Wealth can only be accumulated by the earnings of industry and the savings of frugality.
John Tyler

One great object of the Constitution was to restrain majorities from oppressing minorities or encroaching upon their just rights.
James Polk

But attachment to the Union of the States should be habitually fostered in every American heart. For more than half a century, during which kingdoms and empires have fallen, this Union has stood unshaken. The patriots who formed it have long since descended to the grave; yet still it remains, the proudest monument to their memory and the object of affection and admiration with everyone worthy to bear the American name.
Zachary Taylor

Let us remember that revolutions do not always establish freedom. Our own free institutions were not the offspring of our Revolution. They existed before.
Millard Fillmore

We have nothing in our history or position to invite aggression; we have everything to beckon us to the cultivation of relations
of peace and amity with all nations.
Franklin Pierce

There is nothing stable but Heaven and the Constitution.
James Buchanan

Do I not destroy my enemies when I make them my friends?
Abraham Lincoln

The goal to strive for is a poor government but a rich people.
Andrew Johnson

I have never advocated war except as a means of peace.
Ulyssus S. Grant

Nothing brings out the lower traits of human nature like office seeking. 
Rutherford B. Hayes

Next in importance to freedom and justice is popular educatioon, without which neither freedom nor justice can be permanently maintained.
James Garfield

I don't think we had better go into the minute secrets of the campaign, so far as I know them, because I see the reporters are present, who are taking it all down. If it were not for the reporters, I would tell you the truth.
Chester A. Arthur

Above all, tell the truth.
Grover Cleveland

Where the children of rich and poor mingle together on the play ground and in the school room, there is produced a unity of feeling and a popular love for public institutions that can be brought about in no other way.
Benjamin Harrison

Let us ever remember that our interest is in concord, not conflict, and that our eal eminence rests in the victories of peace, not those of war.
William McKinley

To announce that there must be no criticism of the president, or that we are to stand by the president, right or wrong, is not only unpatriotic and servile, but is morally treasonable to the American public.
Theodore Roosevelt

The world is not going to be saved by legislation.
William Howard Taft

If you want to make enemies, try to change something.
Woodrow Wilson

America's present need is not heroics but healing; not nostrums but normalcy; not revolution but restoration.
Warren Harding

Public debt is a burden on all the people.
 Calvin Coolidge

Absolute freedom of the press to discuss public questions is a foundation stone of American liberty.
Herbert Hoover

The only thing we have to fear is fear itself -- nameless, unreasoning, unjustified terror.
Franklin D. Roosevelt

We need not fear the expression of ideaswe do need to fear their suppression.
Harry S. Truman

Every gun that is made, every warship launched, every rocket fired, in a final sense, a theft from those who hunger and are not fed, those who are cold and are not clothed.
 Dwight D. Eisenhower

Mankind must put an end to war or war will put an end to mankind.
John F. Kennedy

You ain't learnin' nothin' when you're talkin'.
Lyndon B. Johnson

Always give your best, never get discouraged, never be petty; always remember, others may hate you. Those who hate you don't win unless you hate them. And then you destroy yourself.
Richard M. Nixon

Our Constitution works; our great Republic is a Government of laws and not of men. Here the people rule.
Gerald R. Ford

We must adjust to changing times and still hold to unchanging principles.
Jimmy Carter

Trust the people --- that is the crucial lesson of history.
Ronald Reagan

We know what works: freedom works.  We know what's right: freedom is right.  We know how to secure a more and just and prosperous life for man on earth: through free markets, free speech, free elections and the exercise of free will unhampered by the state.
George H. W. Bush

If you live long enough, you'll make mistakes. But if you learn from them, you'll be a better person. It's how you handle adversity, not how it affects you. The main thing is never quit, never quit, never quit.
Bill Clinton

...The grandest of these ideals is an unfolding American promise: that everyone belongs, that everyone deserves a chance, that no insignificant person was ever born.
George W. Bush