Hypotheses Non Fingo. I Frame No Hypotheses.

No Old Men (excepting Dr. Wallis) Love Mathematicks.

The Qualities Of Bodies, Which Admit Neither Intension Nor Remission Of Degrees, And Which Are Found To Belong To Fill Bodies Within The Reach Of Our Experiments, Are To Be Esteemed The Universal Qualities Of All Bodies Whatsoever.

As Attraction Is Stronger In Small Magnets Than In Great Ones In Proportion To Their Bulk, And Gravity Is Greater In The Surfaces Of Small Planets Than In Those Of Great Ones In Proportion To Their Bulk, And Small Bodies Are Agitated Much More By Electric Attraction Than Great Ones; So The Smallness Of The Rays Of Light May Contribute Very Much To The Power Of The Agent By Which They Are Refracted.

Are Not All Hypotheses Erroneous, In Which Light Is Supposed To Consist In Pression Or Motion, Propagated Through A Fluid Medium? For In All These Hypotheses The Phaenomena Of Light Have Been Hitherto Explain'd By Supposing That They Arise From New Modifications Of The Rays; Which Is An Erroneous Supposition.

You Ask Me How, With So Much Study, I Manage To Retene My Health. Morpheus Is My Last Companion; Without 8 Or 9 Hours Of Him Yr Correspondent Is Not Worth One Scavenger's Peruke. My Practices Did At Ye First Hurt My Stomach, But Now I Eat Heartily Enou' As Y' Will See When I Come Down Beside You.