Ellen Key

For thousands of years, poetry has been picturing love as a mysterious and tragic power. But when anyone says the same thing in plain prose, and adds that life would be colourless and poor without the great passions, then this is called immorality!

Just as little as terror - not even the terror of war - can save the world, just as little can hate ever be anything uplifting. Love is the only firm ground for peace - not only love for one's fellowmen, but first of all, love of one's country.

Innate mechanisms endow the visual system with highly specific connections, but visual experience early in life is necessary for their maintenance and full development. Deprivation experiments demonstrate that neural connections can be modulated by environmental influences during a critical period of postnatal development.