“We swallow greedily any lie that flatters us, but we sip only little by little at a truth we find bitter.”

“I am wholly yours - you are everything to me; we will sustain each other in all the ills of life it may please fate to inflict upon us; you will soothe my troubles; I will comfort you in yours.”

“As long as the centuries continue to unfold, the number of books will grow continually, and one can predict that a time will come when it will be almost as difficult to learn anything from books as from the direct study of the whole universe. It will be almost as convenient to search for some bit of truth concealed in nature as it will be to find it hidden away in an immense multitude of bound volumes.”

“Scepticism is the first step towards truth.”

“Whether God exists or does not exist, He has come to rank among the most sublime and useless truths.”

“From fanaticism to barbarism is only one step.”

“[L]e philosophe n'a jamais tué de prêtres et le prêtre a tué beaucoup de philosophes...(The philosopher has never killed any priests, whereas the priest has killed a great many philosophers.)”