Full Idea
Pascal asks where we can find a fixed point in morality. The answer is in that single maxim accepted by all nations: "Do not do to others what you would not like to have done to you".
Gist of Idea
The Golden Rule is accepted everywhere, and gives a fixed target for morality
Source
Francois-Marie Voltaire (Philosophical Letters from England [1733], 25)
Book Reference
Voltaire: 'Philosophical Letters (English Nation)', ed/tr. Dilworth,Ernest [Dover 1961], p.140
A Reaction
Should I only offer to my guests foods which I myself like? If I don't mind a bit of pain, is it all right to inflict it? It is a sensible rule, but not precise enough for philosophy.