<P> This poem was published before Charles Darwin made his theory public in 1859 . However, the phrase "Nature, red in tooth and claw" in canto 56 quickly was adopted by others as a phrase that evokes the process of natural selection . It was and is used by both those opposed to and in favour of the theory of evolution . </P> <P> However, at the end of the poem, Tennyson emerges with his Christian faith reaffirmed, progressing from doubt and despair to faith and hope, a dominant theme also seen in his poem "Ulysses". </P> <Dl> <Dd> If e'er when faith had fallen asleep, </Dd> <Dd> I hear a voice' believe no more' </Dd> <Dd> And heard an ever - breaking shore </Dd> <Dd> That tumbled in the Godless deep; </Dd> </Dl> <Dd> If e'er when faith had fallen asleep, </Dd>

It better to have loved and lost than never to have loved at all lyrics