Men passionately desire to live after death, but they often pass away without noticing the fact that the memory of a really good person always lives. It is impressed upon the next generation, and is transmitted again to the children. Is that not an immortality worth striving for?

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 hopeless don't revolt, because revolution is an act of hope.

Everywhere you will find that the wealth of the wealthy springs from the poverty of the poor.

Think about the world you want to live and work in. What do you need to know to build the world? Demand that your teachers teach you that.

Have not prisons - which kill all will and force of character in man, which enclose within their walls more vices than are met with on any other spot of the globe - always been universities of crime?

You reason like the king, who, being sent across the frontier, called out, 'What will become of my poor subjects without me?'