Let us leave every man at liberty to seek into him and to lose himself in his ideas.

The only way to compel men to speak good of us is to do it.

We look to Scotland for all our ideas of civilisation.

All the reasonings of men are not worth one sentiment of women.

The truths of religion are never so well understood as by those who have lost the power of reason.

Adultery is an evil only inasmuch as it is a theft; but we do not steal that which is given to us.

The system of Descartes... seemed to give a plausible reason for all those phenomena; and this reason seemed more just, as it is simple and intelligible to all capacities. But in philosophy, a student ought to doubt of the things he fancies he understands too easily, as much as of those he does not understand.