It was the fashion of the times to attribute every remarkable event to the particular will of the Deity; the alterations of nature were connected, by an invisible chain, with the moral and metaphysical opinions of the human mind; and the most sagacious divines could distinguish, according to the colour of their respective prejudices, that the establishment of heresy tended to produce an earthquake, or that a deluge was the inevitable consequence of the progress of sin and error.

The value of money has been settled by general consent to express our wants and our property, as letters were invented to express our ideas; and both these institutions, by giving a more active energy to the powers and passions of human nature, have contributed to multiply the objects they were designed to represent.

The various modes of worship which prevailed in the Roman world were all considered by the people as equally true; by the philosopher as equally false; and by the magistrate as equally useful.

Where error is irreparable, repentance is useless.

The science of the church is neglected for the study of geometry, and they lose sight of Heaven while they are employed in measuring the earth. Euclid is perpetually in their hands. Aristotle and Theophrastus are the objects of their admiration; and they express an uncommon reverence for the works of Galen. Their errors are derived from the abuse of the arts and sciences of the infidels, and they corrupt the simplicity of the gospel by the refinements of human reason.

All that is human must retrograde if it does not advance.

[The] vain and transitory scenes of human greatness are unworthy of a serious thought.