The inspired and expired air may be sometimes very useful, by condensing and cooling the blood that passeth through the lungs; I hold that the depuration of the blood in that passage, is not only one of the ordinary, but one of the principal uses of respiration.

Well, I see I am not designed to the finding out the Philosophers Stone, I have been so unlucky in my first attempts in chemistry.

As the moon, though darkened with spots, gives us a much greater light than the stars that sewn all-luminous, so do the Scriptures afford more light than the brightest human authors. In them the ignorant may learn all requisite knowledge, and the most knowing may learn to discern their ignorance.

In an arch each single stone which, if severed from the rest, would be perhaps defenceless is sufficiently secured by the solidity and entireness of the whole fabric, of which it is a part.

He whose faith never doubted, may justly doubt of his faith.

Exalt your passion by directing and settling it upon an object the due con-templation of whose loveliness may cure perfectly all hurts received from mortal beauty.

God may rationally be supposed to have framed so great and admirable an automaton as the world for special ends and purposes.