Integrity is your destiny-it is the light that guides your way.

The cure of many diseases is unknown to physicians because they are ignorant of the whole... For the part can never be well unless the whole is well.

Mathematics is like draughts in being suitable for the young, not too difficult, amusing, and without peril to the state.

I have good hope that there is something after death.

Better a little which is well done, than a great deal imperfectly.

To be curious about that which is not one's concern while still in ignorance of oneself is ridiculous.

The soul should concentrate itself by itself.