We looked our last upon them and the indescribable rosy glow in which they lay, and then with hearts far too heavy for words we left them, and crept thence broken-down men - so broken down that we even renounced the chance of practically immortal life, because all that made life valuable had gone from us, and we knew even then that to prolong our days indefinitely would only be to prolong our sufferings.
Source: wiktionary