Pleasure and freedom from pain, are the only things desirable as ends.

The tendency has always been strong to believe that whatever received a name must be an entity or being, having an independent existence of its own. And if no real entity answering to the name could be found, men did not for that reason suppose that none existed, but imagined that it was something peculiarly abstruse and mysterious.

Art is the employent of the powers of nature for an end.

The habit of analysis has a tendency to wear away the feelings.

Since the general or prevailing opinion on any subject is rarely or never the whole truth, it is only by the collision of adverse opinion that the remainder of the truth has any chance of being supplied.

When one's ideas are not challenged, one's ability to defend them weakens.

Liberty consists in doing what one desires.