There are three principal means of acquiring knowledge... observation of nature, reflection, and experimentation. Observation collects facts; reflection combines them; experimentation verifies the result of that combination.Denis Diderot
In order to shake a hypothesis, it is sometimes not necessary to do anything more than push it as far as it will go.Denis Diderot
I was an awful critic. I operated on the assumption that there was an absolute scale of values against which art could be measured. I didn't trust my own subjective responses.Tom Stoppard
In Chekhov, everything blends into its opposite, just fractionally, and this is sort of unsettling. And that's why you end up 100 years later asking, 'Is that moment tragic or comic?'Tom Stoppard
I've never really worked out this thought, and I don't know if I'm really conscious of it, but I can see there's an attraction about writing about a period that's over and isn't going to change colour while you look at it.Tom Stoppard
I write plays because writing dialogue is the only respectable way of contradicting yourself. I put a position, rebut it, refute the rebuttal, and rebut the refutation.Tom Stoppard