If you aren't unhappy sometimes you don't know how to be happy.
If we are not willing to fail we will never accomplish anything. All creative acts involve the risk of failure.
It takes too much energy to be against something unless it's really important.
The discipline of creation, be it to paint, compose, write, is an effort towards wholeness.
you've got to learn to walk through a pigpen and not get dirty.
God hath chosen the foolish things of the world to confound the wise; and God hath chosen the weak things of the world to confound the things which are mighty.