This work should commence with the conception of man, and should describe the nature of the womb, and how the child inhabits it, and in what stage it dwells there, and the manner of its quickening and feeding, and its growth, and what interval there is between one stage of growth and another, and what thing drives it forth from the body of the mother, and for what reason it sometimes emerges from the belly of its mother before the due time.

My body is not a tomb for animals.

You should prefer a good scientist without literary abilities than a literate one without scientific skills

Poor is the pupil who does not surpass his master.

The poet ranks far below the painter in the representation of visible things, and far below the musician in that of invisible things.

When you put your hand in a flowing stream, you touch the last that has gone before and the first of what is still to come.

In life beauty perishes, but not in art.