La vida es una serie de colisiones con el futuro; no es una suma de lo que hemos sido, sino de lo que anhelamos ser.

Power is not a means; it is an end. One does not establish a dictatorship in order to safeguard a revolution; one makes the revolution in order to establish the dictatorship.

The power of causal reasoning is that it allows us to predict the effects of actions we have never taken.