Each individual is a cosmos of organs, each organ is a cosmos of cells, each cell is a cosmos of infinitely small ones; and in this complex world, the well-being of the whole depends entirely on the sum of well-being enjoyed by each of the least microscopic particles of organized matter. A whole revolution is thus produced in the philosophy of life.

The mutual-aid tendency in man has so remote an origin, and is so deeply interwoven with all the past evolution of the human race, that is has been maintained by mankind up to the present time, notwithstanding all vicissitudes of history.

True progress lies in the direction of decentralization, both territorial and functional, in the development of the spirit of local and personal initiative, and of free federation from the simple to the compound, in lieu of the present hierarchy from the centre to the periphery.

Where there is authority, there is no freedom.

The law has no claim to human respect. It has no civilizing mission; its only purpose is to protect exploitation.

When one has talent, everything contributes to its development.

War is the usual condition of Europe. A thirty years' supply of causes of war is always on hand.