We should always bear in mind that numbers represent a simplification of reality.

Justification, in terms of the broadening of freedom, for any particular form of institution of property must be argued in terms of whether the losses caused by the restrictions imposed are greater or less than the gains derived from the elimination of costly conflict.

The most fundamental form of integrative power is the power of love.

Mathematicians themselves set up standards of generality and elegance in their exposition which are a bar to understand.

The human condition can almost be summed up in the observation that, whereas all experiences are of the past, all decisions are about the future. It is the great task of human knowledge to bridge this gap and to find those patterns in the past which can be projected into the future as realistic images.

Theories without facts may be barren, but facts without theories are meaningless.

Private property is a means, and neither its abolition nor its unrestricted right should be an end in itself.