It's important that everyone realises how much scientists still don't know.

A computer would deserve to be called intelligent 

if it could deceive a human into believing that it was human.

Language makes infinite use of finite media.

Words are more treacherous and powerful than we think.

We know the truth, 

not only by the reason, 

but also by the heart.

I am in the present. 

I cannot know what tomorrow will bring forth. 

I can know only what the truth is for me today. 

That is what I am called upon to serve, 

and I serve it in all lucidity.

To be really great in little things, 

to be truly noble and heroic in the insipid details of everyday life, 

is a virtue so rare as to be worthy of canonisation.

Once you attempt legislation upon religious grounds, 

you open the way for every kind of intolerance and religious persecution.

There must be more to life than having everything.

Courage to continue comes from deeper sources than outward results.

Capitalism is the astounding belief 

that the most wickedest of men 

will do the most wickedest of things 

for the greatest good of everyone.

On the road from the City of Skepticism, 

I had to pass through the Valley of Ambiguity.

Truth titillates the imagination far less than fiction.

The main object of religion 

is not to get a man into heaven, 

but to get heaven into him.

Keep your face always toward the sunshine

 — and shadows will fall behind you.

The way to love anything is to realise that it may be lost.

To the man who loves art for its own sake, 

it is frequently in its least important and lowliest manifestations 

that the keenest pleasure is to be derived.

Joy is not in things;

 it is in us.

Praise undeserved is satire in disguise.

The liberty of the individual must be thus far limited; 

he must not make himself a nuisance to other people.

Reality only reveals itself when it is illuminated by a ray of poetry.

It is no measure of health to be well adjusted to a profoundly sick society.

See that the imagination of nature is far, far greater than the imagination of man.

Rather, for all objects and experiences, 

there is a quantity that has optimum value. 

Above that quantity, the variable becomes toxic. 

To fall below that value is to be deprived.

Life is like a box of sardines 

and we are all looking for the key.

Being in touch with the natural world is crucial.

Life has its own hidden forces which you can only discover by living.

My business is to teach my aspirations to confirm themselves to fact, 

not to try and make facts harmonise with my aspirations.

The ultimate result of shielding men from the effects of folly 

is to fill the world with fools.

Virtue can only flourish among equals.

Our work is the presentation of our capabilities.

Whereof one cannot speak, 

thereof one must be silent.

There is no royal road to learning; 

no short cut to the acquirement of any art.

Act that your principle of action might safely be made a law for the whole world.

Chase after the truth like all hell 

and you'll free yourself, 

even though you never touch its coat tails.

If you feel yourself to be above the mass, 

speak so as to raise the mass 

to the height of your argument.

The truth of things is the chief nutriment of superior intellects.

To be able to fill leisure intelligently is the last product of civilisation.

Always be a poet, 

even in prose.

Faith is a passionate intuition.

Only that in you which is me 

can hear what I'm saying.

It's necessary to be slightly underemployed 

if you are to do something significant.

The solution often turns out more beautiful than the puzzle.

Enthusiasm is the most important thing in life.

Opportunities to find deeper powers within ourselves come 

when life seems most challenging.

Half the world is composed of people who have something to say 

and can't, 

and the other half who have nothing to say 

and keep on saying it.

All knowledge is precious 

whether or not it serves the slightest human use.

The truth does not change according to our ability to stomach it.

Being with the mainstream isn't very difficult — 

the tide is powerful, 

and it is easy to let it sweep us along with it. 

But going against the tide is very difficult. 

First of all, one must recognise very exactly what the tide is 

and where it is going.