Even after the observation of the frequent conjunction of objects, we have no reason to draw any inference concerning any object beyond those of which we have had experience.

Everything in the world is purchased by labor.

Philosophy would render us entirely Pyrrhonian, were not nature too strong for it.

Beauty, whether moral or natural, is felt, more properly than perceived.

Generally speaking, the errors in religion are dangerous; those in philosophy only ridiculous.

It is a great mortification to the vanity of man, that his utmost art and industry can never equal the meanest of nature's productions, either for beauty or value. Art is only the under-workman, and is employed to give a few strokes of embellishment to those pieces, which come from the hand of the master.

.. the voice of nature and experience seems plainly to oppose the selfish theory.