The "Promise of the Day" is a love song book affections, to nature and to the fullness of life. The poet in a game of continuous and sudden shock (a house in the woods, an ancient church, a road that is filled with echoes of lives lived etc.) Sings the unfathomable mystery of existence. He explores in symbols and visions territories of their own conscience and in places he (the rapid Sieve, the brooding mountains of Consume, etc.) Sees signs of an ancient language, a language forgotten that puts us in communion, amid joys and pain, the man with the eternal.