The successful revolutionary is a statesman, the unsuccessful one a criminal.

I have learnt to appreciate the clarity of English language.

The Russians have succeeded in one thing: they have sold the world the idea that they represent socialism and the ideas of Marx,and we have done the greatest service to their propaganda by agreeing that that's what it is.

But not only medicine, engineering, and painting are arts; living itself is an art in fact, the most important and at the same time the most difficult and complex art to be practiced by man.

Greed is a bottomless pit which exhausts the person in an endless effort to satisfy the need without ever reaching satisfaction.

The pleasure in complete domination over another person (or other animate creature) is the very essence of the sadistic drive. Another way of formulating the same thought is to say that the aim of sadism is to transform man into a thing, something animate into something inanimate, since by complete and absolute control the living loses one essential quality of life - freedom.

Love is an act of faith, and whoever is of little faith is also of little love.