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
It is very important not to mistake hemlock for parsley, but to believe or not believe in God is not important at all. – Denis Diderot
Pithy sentences are like sharp nails which force truth upon our memory. – Denis Diderot
There is no moral precept that does not have something inconvenient about it. – Denis Diderot
The world can doubtless never be well known by theory: practice is absolutely necessary; but surely it is of great use to a young man, before he sets out for that country, full of mazes, windings, and turnings, to have at least a general map of it, made by some experienced traveler. – Lord Chesterfield