To pray is not to use special language; it is the sound of a cry or a laugh rising from ordinary days. Formal or official words can often be lifeless. To pray we need to return like children to an elemental language of soul, to something close to song, to chant, to playground singing.
For nine years, the first and third Mondays of the month, I am in silence; I do not speak to anyone for twenty four hours. It's life-changing. It has taught me to listen. When we listen with no responsibility to respond, we can listen fully, which allows us to hear so many things we would not hear if we were talking. This did not start as spiritual exercise, but it has become a very spiritual practice. You hear the truth from deep inside yourself.