Creativity arises out of the tension between spontaneity and limitations, the latter (like the river banks) forcing the spontaneity into the various forms which are essential to the work of art or poem.
Imagination is the outreaching of mind . . . . the bombardment of the conscious mind with ideas, impulses, images and every sort of psychic phenomena welling up from the preconscious. It is the capacity to "dream dreams and see visions . . . ."
The acorn becomes an oak by means of automatic growth; no commitment is necessary. The kitten similarly becomes a cat on the basis of instinct. Nature and being are identical in creatures like them. But a man or woman becomes fully human only by his or her choices and his or her commitment to them. People attain worth and dignity by the multitude of decisions they make from day by day. These decisions require courage.
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.
It requires greater courage to preserve inner freedom, to move on in one's inward journey into new realms, than to stand defiantly for outer freedom. It is often easier to play the martyr, as it is to be rash in battle.