People do not understand what a great revenue economy is.

Nature has lent us life at interest, like money, and has fixed no day for its payment.

By doubting we come at truth.

When they remain silent, they cry out.

That is probable which for the most part usually comes to pass, or which is a part of the ordinary beliefs of mankind.

To know the laws is not to memorize their letter but to grasp their full force and meaning.

The authority of those who teach is often an obstacle to those who want to learn.