Every part, brain and body, nerve tissue and fibre, was keyed to the most exquisite pitch; and between all the parts there was a perfect equilibrium or adjustment.
每一个部分——大脑与身体、神经组织与纤维——都调到了最精妙的状态;所有部分之间,保持着完美的平衡与协调。
— Jack London · The Call of the Wild (1903) · Chapter VII · The Sounding of the Call —