It is a mania shared by philosophers of all ages to deny what exists and to explain what does not exist.

I loved too sincerely, too completely, I venture to say, to be able to be happy easily.

The mind grows narrow in proportion as the soul grows corrupt.

We cannot teach children the danger of telling lies to men without realising, on the man's part, the danger of telling lies to children. A single untruth on the part of the master will destroy the results of his education.

Social man lives constantly outside himself.

We pity in others only the those evils which we ourselves have experienced.

Since men cannot create new forces, but merely combine and control those which already exist, the only way in which they can preserve themselves is by uniting their separate powers in a combination strong enough to overcome any resistance, uniting them so that their powers are directed by a single motive and act in concert.