If by gaining knowledge we destroy our health, we labour for a thing that will be useless in our hands.

Virtue is everywhere that which is thought praiseworthy; and nothing else but that which has the allowance of public esteem is called virtue.

Things of this world are in so constant a flux, that nothing remains long in the same state.

He that would seriously set upon the search of truth, ought in the first place to prepare his mind with a love of it. For he that loves it not, will not take much pains to get it; nor be much concerned when he misses it.

Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.

The care of souls cannot belong to the civil magistrate.

Thirdly, the supreme power cannot take from any man any part of his property without his own consent: for the preservation of property being the end of government, and that for which men enter into society, it necessarily supposes and requires, that the people should have property, without which they must be supposed to lose that, by entering into society, which was the end for which they entered into it; too gross an absurdity for any man to own.