It is the first law of friendship that it has to be cultivated. The second is to be indulgent when the first law is neglected.
VoltaireI read these words which are the sum of all moral philosophy, and which cut short all the disputes of the casuists: When in doubt if an action is good or bad, refrain.
VoltaireThe most amazing and effective inventions are not those which do most honour to the human genius.
Voltaire