Too much attention to health is a hindrance to learning, to invention, and to studies of any kind, for we are always feeling suspicious shootings and swimmings in our heads, and we are prone to blame studies from them.
All things will be produced in superior quantity and quality, and with greater ease, when each man works at a single occupation, in accordance with his natural gifts, and at the right moment, without meddling with anything else.
Again, truth should be highly valued; if, as we were saying, a lie is useless to the gods, and useful only as a medicine to men, then the use of such medicines should be restricted to physicians; private individuals have no business with them.
Arithmetic has a very great and elevating effect, compelling the soul to reason about abstract number, and rebelling against the introduction of visible or tngible objects into the argument.
The light dove, in free flight cutting through the air the resistance of which it feels, could get the idea that it could do even better in airless space. Likewise, Plato abandoned the world of the senses because it posed so many hindrances for the understanding, and dared to go beyond it on the wings of the ideas, in the empty space of pure understanding.
In particular I may mention Sophocles the poet, who was once asked in my presence, How do you feel about love, Sophocles? are you still capable of it? to which he replied, Hush! if you please: to my great delight I have escaped from it, and feel as if I had escaped from a frantic and savage master. I thought then, as I do now, that he spoke wisely. For unquestionably old age brings us profound repose and freedom from this and other passions.
The supreme question about a work of art is out of how deep a life does it spring. Paintings of Moreau are paintings of ideas. The deepest poetry of Shelley, the words of Hamlet bring our mind into contact with the eternal wisdom; Plato's world of ideas. All the rest is the speculation of schoolboys for schoolboys.
Ornate rhetorick taught out of the rule of Plato.... To which poetry would be made subsequent, or indeed rather precedent, as being less suttle and fine, but more simple, sensuous, and passionate.