The more elaborate our means of our common sense is, the less the common sense it becomes.

Will is nothing more than a particular case of the general doctrine of association of ideas, and therefore a perfectly mechanical thing.

The more elaborate our means of our common sense is, the less the common sense it becomes.

Could we have entered into the mind of Sir Isaac Newton, and have traced all the steps by which he produced his great works, we might see nothing very extraordinary in the process.

The feeling of it to my lungs was not sensibly different from that of common air; but I fancied that my breast felt peculiarly light and easy for some time afterwards. Who can tell but that, in time, this pure air may become a fashionable article in luxury. Hitherto only two mice and myself have had the privilege of breathing it.

What I have known with respect to myself, has tended much to lessen both my admiration, and my contempt, of others.

The wisdom of one generation will be folly in the next.