People don't want quarter-inch drills. They want quarter-inch holes.

Anything in excess is a poison.

Nothing drives progress like the imagination. The idea precedes the deed. The only exceptions are accidents and natural selection.

People don’t want to buy a quarter-inch drill. They want to buy a quarter-inch hole!

One should not focus on the differences between people but look for commonality and similarity.

A powerful force drives the world toward a converging commonality, and that force is technology. … Almost everyone everywhere wants all the things they have heard about, seen, or experienced via the new technologies.

An industry begins with the customer and his or her needs, not with a patent, a raw material, or a selling skill