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

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.

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

No idea can succeed except at the expense of sacrifice; no one ever escapes without enduring strain from the struggle of life.

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