The simplest schoolboy is now familiar with truths for which Archimedes would have sacrificed his life.

When people complain of life, it is almost always because they have asked impossible things of it.

A nation has a soul, a spiritual principle. One is in the past, the other in the present. One is the possession of a rich legacy of memories; the other is the desire to live together and to value the common heritage.

True Christianity, which will last forever, comes from the gospel words of Christ not from the epistles of Paul. The writings of Paul have been a danger and a hidden rock, the causes of the principal defects of Christian theology.

Our opinions become fixed at the point where we stop thinking.

To conceive the good, in fact, is not sufficient; it must be made to succeed among men. To accomplish this less pure paths must be followed.

As a rule, all heroism is due to a lack of reflection, and thus it is necessary to maintain a mass of imbeciles. If they once understand themselves the ruling men will be lost.