The beginning is the chiefest part of any work.

And the quality of good judgement is clearly a form of knowledge and skill, as it is because of knowledge and not because of ignorance that we judge well.

Man is a wingless animal with two feet and flat nails.

The soul takes flight to the world that is invisible but there arriving she is sure of bliss and forever dwells in paradise.

The one who learns and learns and doesn't practice is like the one who plows and plows and never plants.

Those whose hearts are fixed on Reality itself deserve the title of Philosophers.

But that we shall be better and braver and less helpless if we think that we ought to enquire, than we should have been if we indulged in the idle fancy that there was no knowing and no use in seeking to know what we do not know; - that is a theme upon which I am ready to fight, in word and deed, to the utmost of my power.