Francois Quesnay quotes:

Laissez Faire, laissez passer. Let it be, let it pass. The phrase is not readily translatable. It was widely used by the Physiocrats in urging freedom from government interference and was adopted by Adam Smith.

Without that sense of security which property gives, the land would still be uncultivated.

To secure the greatest amount of pleasure with the least possible outlay should be the aim of all economic effort.