Never forget what you are, for surely the world will not. Make it your strength. Then it can never be your weakness. Armor yourself in it, and it will never be used to hurt you. 
Psychology must be based on observable phenomena, not abstractions.
I always like to look on the optimistic side of life, but I am realistic enough to know life is a complex matter.
Philosophy is a battle against the bewitchment of our intelligence by means of language.