Sound opinions are valueless. What matters is who holds them.

Sexual enlightenment is that hardhearted process which for hygienic reasons forbids young people to satisfy their curiosity themselves.

Medicine: "Your money and your life!

The discovery of the North Pole is one of those realities which could not be avoided. It is the wages which human perseverance pays itself when it thinks that something is taking too long. The world needed a discoverer of the North Pole, and in all areas of social activity, merit was less important here than opportunity.

Keep your passions in check, but beware of giving your reason free rein.

One's need for loneliness is not satisfied if one sits at a table alone. There must be empty chairs as well.

They judge lest they be judged.