Every particle of matter is attracted by or gravitates to every other particle of matter with a force inversely proportional to the squares of their distances.

Truth is ever to be found in the simplicity, and not in the multiplicity and confusion of things.

This Excellent Mathematician having given us, in the Transactions of February last, an account of the cause, which induced him to think upon Reflecting Telescopes, instead of Refracting ones, hath thereupon presented the curious world with an Essay of what may be performed by such Telescopes; by which it is found, that Telescopical Tubes may be considerably shortened without prejudice to their magnifiying effect. On his invention of the catadioptrical telescope, as he communicated to the Royal Society.

The Ignis Fatuus is a vapor shining without heat.

Atheism is so senseless and odious to mankind that it never had many professors.

No old Men (excepting Dr. Wallis) love Mathematicks.

We are to admit no more causes of natural things than such as are both true and sufficient to explain their appearances.