Sociability is as much a law of nature as mutual struggle. Mutual aid is as much a law of animal life as mutual struggle.

Sometimes he would advise me to read poetry, and would send me in his letters quantities of verses and whole poems, which he wrote from memory. 'Read poetry,' he wrote: 'poetry makes men better.' How often, in my later life, I realized the truth of this remark of his! Read poetry: it makes men better.

The future cannot be legislated. All that can be done is to anticipate its most important movements and to clear the path for them.

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.

Poverty, the existence of the poor, was the first cause of riches.

The moral sense is a natural faculty in us like the sense of smell or of touch.

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.