If reason be a gift of Heaven, and we can say as much of faith, Heaven has certainly made us two gifts not only incompatible, but in direct contradiction to each other. In order to solve the difficulty, we are compelled to say either that faith is a chimera or that reason is useless.

No man has received from nature the right to give orders to others. Freedom is a gift from heaven, and every individual of the same species has the right to enjoy it as soon as he is in enjoyment of his reason.

The bad gives rise to the good, the good inspires the better, the better produces the excellent, the excellent is followed by the bizarre

All things must be examined, debated, investigated without exception and without regard for anyone's feelings... We must run roughshod over all these ancient puerilities, overturn the barriers that reason never erected, give back to the arts and sciences the liberty that is so precious to them.

Distance is a great promoter of admiration.

Those authors into whose hands nature has placed a magic wand, with which they no sooner touch us than we forget the unhappiness in life, than the darkness leaves our soul, and we are reconciled to existence, should be placed among the benefactors of the human race.

Whatever dressing one gives to mushrooms, to whatever sauces our Apiciuses put them, they are not really good but to be sent back to the dungheap where they are born.