People only change when it becomes too dangerous to stay the way they are.
Courage is necessary to make being and becoming possible.
It is dangerous to know, but it is more dangerous not to know.
Joy, rather than happiness, is the goal of life, for joy is the emotion which accompanies our fulfilling our natures as human beings. It is based on the experience of one's identity as a being of worth and dignity.
Depression is the inability to construct a future.
A historical perspective can also help free us from the ever-present danger -- especially at danger in the social sciences -- of absolutizing a theory or method which is actually relative to the fact that we live at a given moment in time in the development of our particular culture.