La literatura no es otra cosa que un sueño dirigido.

Tradition and technology must dance together to move forward.

Mathematics is the organ with which we comprehend the phenomena of nature.

The tears of the world are a constant quantity. For each one who begins to weep, somewhere else another stops. The same is true of the laugh.

Success is not final, failure is not fatal: it is the courage to continue that counts.

To truly grasp the essence of quantum mechanics, one must embrace the paradoxes that challenge our classical intuitions.

We don't stop playing because we grow old; we grow old because we stop playing.

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.