"El pasado no es un lugar al que volver, sino una materia con la que construir."
The time is always right to do what is right.
——在遗嘱上签名，稍休后说几句话勉励各同志，1925年3月11日
La poesía es un acto de rebeldía contra la realidad.
The present state of the system of nature is evidently a consequence of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.