Quotes I like (random order)

If you know it it is simple; If it isn't simple you don't know it.

Not all that glitters is gold; not all that wander are lost.

I'm successful because I'm lucky; the harder I work the luckier I get.

The only man who got all his work done by Friday was Robinson Crusoe.

If you don't care where you are, then you ain't lost.

If everything else fails, read the manual
                -- Michael Schlueter

Never let your sense of morals prevent you from doing what is right.
                -- Salvor Hardin, "Foundation"

Democracy is the worst form of government, except for all the others.
                -- Winston S. Churchill 

A real person has two reasons for doing anything ... a good reason and
the real reason.

The opposite of a correct statement is a false statement. But the opposite
of a profound truth may well be another profound truth.
                -- Niels Bohr

Do little things well, then will come great things asking to be done.
                                   Persian proverb

I would rather be approximately right than exactly wrong.
(J.M. Keynes)

There is no quality if you can't measure it.
(Illy et al. "Espresso Coffee: the chemistry of quality")

There is nothing more practical than a good theory.
                -- Kurt Lewin

All theoretical chemistry is really physics; and all theoretical chemists
know it.
                -- Richard P. Feynman

"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety."
                -- Benjamin Franklin, 1759

"Do you wanna live forever ?"
                -- Valeria (Conan the Barbarian, 1982)
 
The difference between art and science is that science is what we
understand well enough to explain to a computer. Art is everything else.
                -- Donald Knuth, "Discover"

"The trouble with doing something right the first time is that nobody
appreciates how difficult it was."
-- Walt West

Optimization hinders evolution.

Meglio un numero fetente che nessun numero -
- A crappy number is better than no number.

Nothing is impossible for the man who doesn't have to do it himself.

People who make no mistakes do not usually make anything.

Nothing in life is to be feared, it is only to be understood. 
Now is the time to understand more, so that we may fear less. 
                -- Maria Sklodowska-Curie

A ship is always safe at the shore - but this is not what it is built for.
                -- Albert Einstein
                
Uno nasce, e poi muore. Il resto sono chiacchiere. 
                -- Francesco Tullio Altan

Ura tece, nic ne rece

All models are wrong but some are useful
                -- George P.E. Box

Ce qui est simple est toujours faux. Ce qui ne l'est pas est inutilisable
                -- Paul Valery

We all know that art is not truth. Art is a lie that makes us realize truth, 
at least the truth that is given us to understand. The artist must know the 
manner whereby to convince others of the truthfulness of his lies.
                -- Pablo Picasso (1923)