“Often the man felt that he had bucked against the very essence of life – the unconquerable essence that swept the hawk down out of the sky like a feathered thunderbolt, that drove the great gray goose across the zones, that hurled the spawning salmon through two thousand miles of boiling Yukon flood.”

“Often the man felt that he had bucked against the very essence of life – the unconquerable essence that swept the hawk down out of the sky like a feathered thunderbolt, that drove the great gray goose across the zones, that hurled the spawning salmon through two thousand miles of boiling Yukon flood.”

— Jack London