ceaselessness vs eternal now

ceaselessness

noun
  • The condition of being ceaseless; endlessness, eternity 

eternal now

noun
  • The nature of God's existence which is outside of time; the nature of a soul's existence in a supposed timeless afterlife. 

  • The condition in which all reality is experienced in the present, with the past contained only in memory and the future only in anticipation or speculation. 

How often have the words ceaselessness and eternal now occurred in a corpus of books? (source: Google Ngram Viewer )