It is not enough to have a good mind. The main thing is to use it well.
I know that I exist; the question is, What is this 'I' that 'I' know.
Reason is nothing without imagination.
We never understand a thing so well,and make it our own, as when we have discovered it for ourselves.
Illusory joy is often worth more than genuine sorrow.
The principal effect of the passions is that they incite and persuade the mind to will the events for which they prepared the body.