Our tissues change as we live: the food we eat and the air we breathe become flesh of our flesh and bone of our bone, and the momentary elements of o….

We have modified our environment so radically that we must now modify ourselves to exist in this new environment..

The world of the future will be an even more demanding struggle against the limitations of our intelligence, not a comfortable hammock in which we ca….

Information is information; it is neither matter nor energy..

It is possible to believe in progress as a fact without believing in progress as an ethical principle; but in the catechism of many Americans, the on….

To live effectively is to live with adequate information..

We are but whirlpools in a river of ever-flowing water. We are not stuff that abides, but patterns that perpetuate themselves. A pattern is a messag….

A significant idea of organization cannot be obtained in a world in which everything is necessary and nothing is contingent..

Science is a way of life which can only flourish when men are free to have faith..

A faith which we follow upon orders imposed from outside is no faith, and a community which puts its dependence upon such a pseudo-faith is ultimatel….

The most fruitful areas for the growth of the sciences were those which had been neglected as a no-man's land between the various established fields..

Any useful logic must concern itself with Ideas with a fringe of vagueness and a Truth that is a matter of degree..

Let us remember that the automatic machine is the precise economic equivalent of slave labor. Any labor which competes with slave labor must accept t….

The simplest type of breakdown exhibits itself as an oscillation in a goal-seeking process which appears only when that process is actively invoked..

We are in the position of the man who has only two ambitions in life. One is to invent the universal solvent which will dissolve any solid substance,….

What sometimes enrages me and always disappoints and grieves me is the preference of great schools of learning for the derivative as opposed to the o….

The more we get out of the world the less we leave, and in the long run we shall have to pay our debts at a time that may be very inconvenient for ou….

One of the chief duties of the mathematician in acting as an advisor ... is to discourage ... from expecting too much from mathematics..

What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experimen….

In all important respects, the man who has nothing but his physical power to sell has nothing to sell which it is worth anyone's money to buy.

Any labor which competes with slave labor must accept the economic conditions of slave labor..