Progress is the exploration of our own error.

It is important that students bring a certain ragamuffin, barefoot irreverence to their studies; they are not here to worship what is known, but to question it.

No science is immune to the infection of politics and the corruption of power.

Ask an impertinent question and you are on the way to the pertinent answer.

Man is unique not because he does science, and his is unique not because he does art, but because science and art equally are expressions of his marvelous plasticity of mind.

Knowledge is an unending adventure at the edge of uncertainty.

The hand is the cutting edge of the mind.

We have to understand that the world can only be grasped by action, not by contemplation. The hand is more important than the eye ... The hand is the cutting edge of the mind.

Man masters nature not by force, but by understanding

Dissent is the mark of freedom.

One aim of physical sciences had been to give an exact picture the material world. One achievement of physics in the twentieth century has been to prove that that aim is unattainable.

Cleverness is not wisdom.

The spirit of life is the spirituality of soul.

Too easy to get = Just as easy to forget.

The real Santa Claus is at the mall.

The present moment is creative creating with an unheard-of intensity.

As she brought prospective buyers through, the realtor said it was an oil stain, but it was me, seeping out of the bag.

I wouldn't mind being the lead guitarist in an incredibly successful rock band. However, I don't play the guitar.

You've never been in love," she said. "You don't understand." "If being in love means giving up your freedom, not to mention your opportunities," Caitlin said, "Then I haven't missed anything.

Few save the poor feel for the poor.

The chances of running out of yarn on a project are directly related to the difficulty that you will have getting more.