
Letters Upon the Aesthetic Education of Man - Part VII
Letter XI If abstraction rises to as great an elevation as possible, it arrives at two primary ideas, before which it is obliged to stop and to recognise its limits. It distinguishes in man something that continues, and something that changes incessantly. That which continues it names his person; that which changes his position, his condition. The person and the condition, I and my determinations, which we represent as one and the same thing in the necessary being, are eterna

Oration on the Dignity of Man - Part V
Let us also seek the opinion of Pythagoras, that wisest of men, known as a wise man precisely because he never thought himself worthy of that name. His first precept to us will be: “Never sit on a bushel”; never, that is, through slothful inaction to lose our power of reason, that faculty by which the mind examines, judges and measures all things; but rather unremittingly by the rule and exercise of dialectic, to direct it and keep it agile. Next he will warn us of two things