In one sense, we are always traveling, and traveling as if we did not know where we were going.
In other sense, we have already arrived.
We cannot arrive at the perfect possession of God in this life, and that is why we are traveling and in darkness. But we already possess Him by grace, and therefore, in that sense, we have arrived and are dwelling in the light.
But oh! How far have I go to go to find You in Whom I have already arrived?
Thomas Merton, Dialogues with Silence, Jonathan Montaldo, …

Christianity takes with utmost seriousness the reality and nature of the natural world, both because of its doctrine of creation, which is basically shares with Judaism and Islam, but more particularly because of its belief that the creator God was present in and was manifested through an historical human person, himself part of nature and human history.
Arthur Peacocke. Theology in the age of the science. Being and Becoming-Natural, Divine and Human. Minneapolis: Fortress Press, 1993, p. 27.

Someday, after mastering the winds, the waves, the tides and gravity, we shall harness for God the energies of love, and then, for a second time in the history of the world, man will have discovered fire.
Pierre Teilhard de Chardin (1881-1955)
French philosopher and theologian