Skip to content
Shawords

Quote#Wisdom

I have not been able to discover the cause of those properties of…

Quote byIsaac Newton · 1643–1727

Commonly attributed — not confirmed in an authoritative edition. Cited on Wikiquote to: Letter to Robert Hooke (15 February 1676) [5 February 1676 (O.S.)].

English (original)

I have not been able to discover the cause of those properties of gravity from phenomena, and I frame no hypotheses; for whatever is not deduced from the phenomena is to be called a hypothesis, and hypotheses, whether metaphysical or physical, whether of occult qualities or mechanical, have no place in experimental philosophy.

— Isaac Newton

More from Isaac Newton