“From what has been said it is also evident, that the Whiteness of the Sun's Light is compounded all the Colours wherewith the several sorts of Rays whereof that Light consists, when by their several Refrangibilities they are separated from one another, do tinge Paper or any other white Body whereon they fall. For those Colours ... are unchangeable, and whenever all those Rays with those their Colours are mix'd again, they reproduce the same white Light as before.”
![“Do not Bodies act upon Light at a distance, and by their action bend its Rays; and is not this action (caeteris paribus) [all else being equal] strongest at the least distance?” quote by Isaac Newton](https://sms4smile.com/quotes/img-quotes/f9c/isaac-newton-1226_action_do-not-bodies-act-upon-light-at-a-distan_90238.jpg)
![“I am ashamed to tell you to how many figures I carried these calculations [of Pi], having no other business at the time” quote by Isaac Newton](https://sms4smile.com/quotes/img-quotes/93f/isaac-newton-1226_ashamed_i-am-ashamed-to-tell-you-to-how-many-fig_106544.jpg)
![“I've used the Phoenix Centrifuge to replicate what the body's going to go through on the flight up. I've also done some gravity tests with ZERO-G [a charter-flight service in Arlington, Va., that uses modified Boeing 727s to simulate weightlessness], which went great.” quote by Richard Branson](https://sms4smile.com/quotes/img-quotes/aa1/richard-branson-256_adventure_i-ve-used-the-phoenix-centrifuge-to-repl_903.jpg)
