defiance
People who were told no and heard it as a dare.
The Woman Who Destroyed Her Own Discovery
She found exactly what she was looking for, then ordered it smashed and thrown into the sea.
The Man No One Could Stop
Burton pulled a javelin through his own face and kept fighting, but his wife burned forty years of his writing to save his soul.
The Doctor Who Was Right
He died of the same infection, in the same place on his body, that he'd spent his life trying to prevent.