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.

If the juices of the body were more chymically examined, especially by a naturalist, that knows the ways of making fixed bodies volatile, and volatile fixed, and knows the power of the open air in promoting the former of those operations; it is not improbable, that both many things relating to the nature of the humours, and to the ways of sweetening, actuating, and otherwise altering them, may be detected, and the importance of such discoveries may be discerned.

It is my intent to beget a good understanding between the chymists and the mechanical philosophers who have hitherto been too little acquainted with one another's learning.

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.

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

It is not strange to me that persons of the fair sex should like, in all things about them, the handsomeness for which they find themselves most liked.

I am not ambitious to appear a man of letters: I could be content the world should think I had scarce looked upon any other book than that of nature.