The greatest of all pleasures is the pleasure of learning.

Metaphysics is universal and is exclusively concerned with primary substance. ... And here we will have the science to study that which is, both in its essence and in the properties which it has.

Whether we call it sacrifice, or poetry, or adventure, it is always the same voice that calls.

It is true, indeed, that the account Plato gives in 'Timaeus' is different from what he says in his so-called 'unwritten teachings.'

Also, that which is desirable in itself is more desirable than what is desirable per accidens.

When you are lonely, when you feel yourself an alien in the world, play Chess. This will raise your spirits and be your counselor in war

A good style must have an air of novelty, at the same time concealing its art.