A designer knows he has achieved perfection not when there is nothing left to add, but when there is nothing left to take away.
Antoine de Saint-Exupery

Most of the arguments to which I am party fall somewhat short of being impressive, knowing to the fact that neither I nor my opponent knows what we are talking about.
Rodney Dangerfield

Mistakes are, after all, the foundations of truth, and if a man does not know what a thing is, it is at least an increase in knowledge if he knows what it is not.
Carl Jung

But blind to former as to future fate, what mortal knows his pre-existent state?
Alexander Pope

The learned is happy, nature to explore; The fool is happy, that he knows no more.
Alexander Pope

We dance round in a ring and suppose, but the secret sits in the middle and knows.
Robert Frost

There is a computer disease that anybody who works with computers knows about. It's a very serious disease and it interferes completely with the work. The trouble with computers is that you 'play' with them!
Richard P. Feynman

When ignorance gets started it knows no bounds.
Will Rogers

HIV does not make people dangerous to know, so you can shake their hands and give them a hug: Heaven knows they need it.
Princess Diana

We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.
Carl Sagan

Capitalism knows only one color: that color is green; all else is necessarily subservient to it, hence, race, gender and ethnicity cannot be considered within it.
Thomas Sowell

Freedom is the only law which genius knows.
James Russell Lowell

Spring has returned. The Earth is like a child that knows poems.
Rainer Maria Rilke

There is only one failure in life possible, and that is not to be true to the best one knows.
George Eliot

I don't think President Bush is doing anything at all about Aids. In fact, I'm not sure he even knows how to spell Aids.
Elizabeth Taylor

I'm strictly for Stevenson. I don't dig the intellectual bit, but I'm telling you, man, he knows the most.
Elvis Presley

The man who is swimming against the stream knows the strength of it.
Woodrow Wilson

He is not a true man of the world who knows only the present fashions of it.
Woodrow Wilson

Everyone who knows me will know the truth, which is that my children come first in my life and that I would never harm any child.
Michael Jackson

What prudent merchant will hazard his fortunes in any new branch of commerce when he knows not that his plans may be rendered unlawful before they can be executed?
James Madison