The insolence of the vulgar is in proportion to their ignorance. They treat everything with contempt which they do not understand.

It is easier taking the beaten path than making our way over bogs and precipices. The great difficulty in philosophy is to come to every question with a mind fresh and unshackled by former theories, though strengthened by exercise and information.

The last pleasure in life is the sense of discharging our duty.

It may be made a question whether men grow wiser as they grow older, anymore than they grow stronger or healthier or honest.

There is no prejudice so strong as that which arises from a fancied exemption from all prejudice.

Like a rustic at a fair, we are full of amazement and rapture, and have no thought of going home, or that it will soon be night.

The rule for traveling abroad is to take our common sense with us, and leave our prejudices behind.