For in Sanderson's heart also lurked a premonition of evil.

But he did not fear it; it grimmed his lips, it made his eyes blaze with a wanton, savage fire; it filled his heart with a bitter passion to slay the man who had stayed behind at the Double A ranchhouse.
And he urged Streak to additional effort, heading him recklessly through sections of country where a stumble meant disaster, lifting him on the levels, and riding all the time with only one thought in mind--speed, speed, speed..