All of the books in the world contain no more information than is broadcast as video in a single large American city in a single year. Not all bits have equal value.
Carl Sagan

The mind has exactly the same power as the hands; not merely to grasp the world, but to change it.
Colin Wilson

My definition of an expert in any field is a person who knows enough about what's really going on to be scared.
P. J. Plauger