Oh Diamond! Diamond! thou little knowest the mischief done! [Apocryphal]
Remark to a dog who knocked down a candle and so set fire to some papers and 'destroyed the almost finished labours of some years', in Thomas Maude 'Wensley-Dale...a Poem' (1772) st. 23 n. (probably apocryphal. D. Gjertsen 'The Newton Handbook' (1986) p. 177