“Inside myself is a place where I live all alone and that is where I renew my springs that never dry up
“Immense power is acquired by assuring yourself in your secret reveries that you were born to control affairs
“In the survival of favoured individuals and races, during the constantly-recurring struggle for existence, we see a powerful and ever-acting form of selection
“If you go to the married state, lead the man with tender hand. Much too strong women's power makes the husbands sour.
“Happiness is like those palaces in fairy tales whose gates are guarded by dragons: we must fight in order to conquer it
“That deep emotional conviction of the presence of a superior reasoning power, which is revealed in the incomprehensible universe, forms my idea of God