To put it one way, a collection of Shakespeare's plays is richer than a phone book that uses the same number of letters; to put it another, the essence of information lies in the relationships among bits, not their sheer number.

Time has been called God's way of making sure that everything doesn't happen at once. In the same spirit, noise is Nature's way of making sure that we don't find out everything that happens. Noise, in short, is the protector of information.

Information gently but relentlessly drizzles down on us in an invisible, impalpable electric rain.

An electron is real; a probability is not.

In order to understand information, we must define it; bit in order to define it, we must first understand it. Where to start?

The problem of defining exactly what is meant by the signal velocity, which cropped up as long ago as 1907, has not been solved.

The switch from 'steam engines' to 'heat engines' signals the transition from engineering practice to theoretical science.