The Mind of Meditation, from the book 'Sitting Buddha' by Daishin Morgan

A good basic article (actually it's a chapter from a book) about Zazen and what happens during meditation. Good for beginners and those with beginner's mind:

The world we experience is the world created within our own minds. Our thoughts and feelings depend upon how we view the world; they are not absolutes nor are they as solid or as real as they seem. By learning not to be driven by thoughts and feelings, we can see how they are a like a fantasy or a dream. Knowing, this we can return to the primordial mind of zazen. Thoughts and feelings do not necessarily stop, but we no longer mistake them for our true nature.