As the eagle was killed by the arrow winged with his own feather, so the hand of the world is wounded by its own skill. - Helen Keller

It is the possibility of happiness, intelligence and power that give life its sanctity, and they are absent in the case of a poor, misshapen, paralyzed, unthinking creature.

It were better far to sail forever in the night of blindness, with sense and feeling and mind, than to be thus content with the mere act of seeing. They have the sunset, the morning skies, the purple of distant hills, yet their souls voyage through this enchanted world with a barren stare.

Optimism is the faith that leads to achievement.