— Leonardo Da Vinci Italian Renaissance polymath 1452 - 1519
XIX Philosophical Maxims. Morals. Polemics and Speculations.
Contexto: What is called Nothingness is to be found only in time and in speech. In time it stands between the past and future and has no existence in the present; and thus in speech it is one of the things of which we say: They are not, or they are impossible.