The veneration, wherewith Men are imbued for what they call Nature, has been a discouraging impediment to the Empire of Man over the inferior Creatures of God. For many have not only look'd upon it, as an impossible thing to compass, but as something impious to attempt.

Nature always looks out for the preservation of the universe.

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.

The gospel comprises indeed, and unfolds, the whole mystery of mans redemption, as far forth as it is necessary to be known for our salvation.

He that condescended so far, and stooped so low, to invite and bring us to heaven, will not refuse us a gracious reception there.

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.

Darkness, that here surrounds our purblind understanding, will vanish at the dawning of eternal day.