In our usual mind state, we are continually activating the process that in Buddhist terminology is known as 'bhava,' which literally means 'becoming.' In this space of becoming, we are subtly leaning forward into the future, trying to have security based on feeling that we can hold on, we can try to keep things from changing.
A Heart as Wide as the World (ed. Shambhala Publications, 1999) - ISBN: 9780834824287