Day by day natural science accumulates new riches? The true system of the World has been recognized, developed and perfected? Everything has been discussed and analyzed, or at least mentioned.
1759 Elements of Philosophy.
Rien n'est plus incontestable que l'existence de nos sensations; ...Jean Le Rond D'alembert
D'Alembert was always surrounded by controversy. ... he was the lightning rod which drew sparks from all the foes of the philosophes. ... Unfortunately he carried this... pugnacity into his scientific research and once he had entered a controversy, he argued his cause with vigour and stubbornness. He closed his mind to the possibility that he might be wrong...Jean Le Rond D'alembert