There could be no fairer destiny for any physical theory than that it should point the way to a more comprehensive theory in which it lives on as a limiting case.
Albert Einstein

No one ever told me I was pretty when I was a little girl. All little girls should be told they're pretty, even if they aren't.
Marilyn Monroe

We need to steer clear of this poverty of ambition, where people want to drive fancy cars and wear nice clothes and live in nice apartments but don't want to work hard to accomplish these things. Everyone should try to realize their full potential.
Barack Obama

I opposed the Defense of Marriage Act in 1996. It should be repealed and I will vote for its repeal on the Senate floor. I will also oppose any proposal to amend the U.S. Constitution to ban gays and lesbians from marrying.
Barack Obama

I will cut taxes - cut taxes - for 95 percent of all working families, because, in an economy like this, the last thing we should do is raise taxes on the middle class.
Barack Obama

Welfare's purpose should be to eliminate, as far as possible, the need for its own existence.
Ronald Reagan

Thomas Jefferson once said, 'We should never judge a president by his age, only by his works.' And ever since he told me that, I stopped worrying.
Ronald Reagan

We should measure welfare's success by how many people leave welfare, not by how many are added.
Ronald Reagan

We should declare war on North Vietnam. We could pave the whole country and put parking strips on it, and still be home by Christmas.
Ronald Reagan

If we love our country, we should also love our countrymen.
Ronald Reagan

Wrinkles should merely indicate where smiles have been.
Mark Twain

Substitute "damn" every time you're inclined to write "very"; your editor will delete it and the writing will be just as it should be.
Mark Twain

It is curious that physical courage should be so common in the world and moral courage so rare.
Mark Twain

It is not best that we should all think alike; it is a difference of opinion that makes horse races.
Mark Twain

Should you find yourself in a chronically leaking boat, energy devoted to changing vessels is likely to be more productive than energy devoted to patching leaks.
Warren Buffett

You cannot help men permanently by doing for them what they could and should do for themselves.
Abraham Lincoln

To sin by silence when they should protest makes cowards of men.
Abraham Lincoln

To stand in silence when they should be protesting makes cowards out of men.
Abraham Lincoln

With the fearful strain that is on me night and day, if I did not laugh I should die.
Abraham Lincoln

We should be too big to take offense and too noble to give it.
Abraham Lincoln