Any product that needs a manual to work is broken.

Every man is guilty of all the good he did not do.

Boards don't hit back.

Work is the rent you pay for the room you occupy on earth.

In the increasingly convincing darkness the words become palpable, like a fruit that is too beautiful to eat.

Radical simply means 'grasping things at the root'.

To wear your heart on your sleeve isn't a very good plan; you should wear it inside, where it functions best.

Sometimes glass glitters more than diamonds because it has more to prove.

Entrepreneurs are simply those who understand that there is little difference between obstacle and opportunity and are able to turn both to their advantage.

Sell your cleverness and buy bewilderment.

Before I speak, I have something important to say.

When it is not in our power to determine what is true, we ought to follow what is most probable.

No one can make you feel inferior without your consent.

I used to desire many, many things, but now I have just one desire, and thats to get rid of all my other desires.

The mind that finds its way to wild places is the poet's; but the mind that never finds its way back is the lunatic's.

Genius is one percent inspiration and ninety-nine percent perspiration.

The future belongs to those who believe in the beauty of their dreams.

There is not such a cradle of democracy upon the earth as the Free Public Library, this republic of letters, where neither rank, office, nor wealth receives the slightest consideration.

That which can be asserted without evidence, can be dismissed without evidence.

Every beauty which is seen here by persons of perception resembles more than anything else that celestial source from which we all are come.

Design is not just what it looks like and feels like. Design is how it works.