Sentences of a paragraph are given below. While the first and the last sentences (S1 and S6) are in the correct order, the sentences in between are jumbled up. Arrange the sentences in the correct order to form a meaningful and coherent paragraph.

S1. A moment comes
A.long suppressed
B.and when the soul of a nation
C.which comes but rarely in history
D.when we step out from the old to the new, when an age ends
S6. finds utterance.