He who seeks to regulate everything by law is more likely to arouse vices than to reform them. It is best to grant what cannot be abolished, even though it be in itself harmful. How many evils spring from luxury, envy, avarice, drunkenness and the like, yet these are tolerated because they cannot be prevented by legal enactments.

Happiness is a virtue, not its reward.

In the mind there is no absolute or free will.

It is not possible that we should remember that we existed before our body, for our can bear no trace of such existence, neither can eternity be defined in terms of time or have any relation to time. But notwithstanding, we feel and know that we are eternal.

The proper study of a wise man is not how to die but how to live.

He who loves God cannot endeavor that God should love him in return.

Nothing comes to pass in nature, which can be set down to a flaw therein; for nature is always the same, and everywhere one and the same in her efficacy and power of action: that is, nature's laws and ordinances, whereby all things come to pass and change from one form to another, are everywhere and always the same; so that there should be one and the same method of understanding the nature of all things whatsoever, namely, through nature's universal laws and rules.