"During my early years, I was mercurially lively, always in motion, spilling over with pranks, impertinent and precocious, and, at the same time, intractably stubborn and angry if anything went against my will."
Stubborn
"During my early years, I was mercurially lively, always in motion, spilling over with pranks, impertinent and precocious, and, at the same time, intractably stubborn and angry if anything went against my will."