These two systems are in constant interplay trying to create a state of best response and balance depending on what your body needs at the time. (femfusionfitness.com)
It has shown them to be psychological or experiential expressions of human life, which, in constant interplay with the cultural enterprises of the various groups of mankind, have assumed definite historic forms. (religion-online.org)
By meditating on it one can obtain a deeper understanding of the constant interplay between the manifest and the unmanifest qualities of the cosmos and consciousness. (rykyoga.com)