Marriage...is the union of two people of different sexes with a view to the mutual possession of each other's sexual attributes for the duration of their lives.

For peace to reign on Earth, humans must evolve into new beings who have learned to see the whole first.

The instruction of children should aim gradually to combine knowing and doing. Among all sciences mathematics seems to be the only one of a kind to satisfy this aim most completely.

Immaturity is the incapacity to use one's intelligence without the guidance of another.

It is difficult for the isolated individual to work himself out of the immaturity which has become almost natural for him.

Freedom is the alone unoriginated birthright of man, and belongs to him by force of his humanity.

Laws always lose in energy what the government gains in extent.