To think truly is noble and to be deceived is base.

Democracy leads to anarchy, which is mob rule.

Geometry existed before creation.

The greatest mistake physicians make is that they attempt to cure the body without attempting to cure the mind, yet the mind and the body are one and should not be treated separately!

For our discussion is on no trifling matter, but on the right way to conduct our lives.

You may be sure, dear Crito, that inaccurate language is not only in itself a mistake: it implants evil in men's souls.

If the study of all these sciences which we have enumerated, should ever bring us to their mutual association and relationship, and teach us the nature of the ties which bind them together, I believe that the diligent treatment of them will forward the objects which we have in view, and that the labor, which otherwise would be fruitless, will be well bestowed.