I have been trying to read through Newton's Principia and this phase has come up several times so far, usually in the context of a mathematical operation. I cannot see any additional information or purpose in this phrase bring added, but it happens repeatedly. Did this phrase have a real purpose in the writing or is it just an artifact of the attempted direct translation from Latin?
Law III:[...] If you press a stone with your finger, the finger is also pressed by the stone. If a horse draws a stone tied to a rope, the horse (if I may so say) will be equally drawn back towards the stone -- Page 83
These things being done, we are to take the product (if I may so say) of the body A, by the chord of the arc, TA (which represents its velocity), that we may have its motion in the place A immediately before reflexion -- Page 91