The least spark will fire a train.

His words were few, but they formed spark enough to raise such a flare in my brain as for a moment blinded me, and shook me so that I trembled.

The shock over, I was left face to face with a possibility of wickedness such as I could never have suspected of myself.

I remembered Mirepoix's distress and the priest's eagerness.

I re-called the gruff warning Bezers--even Bezers, and there was something very odd in Bezers giving a warning!--had given Madame de Pavannes when he told her that she would be better where she was.