I want to know what passion is. I want to feel something strongly.

The energy which wanted to expend itself in physical passion is diverted and turns the mills of the soul.

¡Cómo la odio a usted, en realidad, por obligarme a quererla tanto!

Words are good servants but bad masters.

Every civilization is, among other things, an arrangement for domesticating the passions and setting them to do useful work.

From their experience or from the recorded experience of others (history), men learn only what their passions and their metaphysical prejudices allow them to learn.