Life is an irreversible process and for that reason its future can never be a repetition of the past.

What we call a democratic society might be defined for certain purposes as one in which the majority is always prepared to put down a revolutionary minority.

Democracy is much too important to be left to public opinion.

It is so much easier to talk of poverty than to think of the poor, to argue the rights of capital than to see its results. Pretty soon we come to think of the theories and abstract ideas as things in themselves.

I demand from you in the name of your principles the rights which I shall deny to you later in the name of my principles.

What each man does is based not on direct and certain knowledge, but on pictures made by himself or given to him...

We are quite rich enough to defend ourselves, whatever the cost. We must now learn that we are quite rich enough to educate ourselves as we need to be educated.