“Catherine approved this choice reluctantly. She recognized Peter Panin’s military abilities, but she disliked him personally. He had often declared that Russia should be ruled by a man; his preference was Grand Duke Paul. Catherine also worried about his reputation as a military martinet and about his unconventional personal behavior: he sometimes appeared in his headquarters wearing a gray satin nightgown and a large French nightcap with pink ribbons.”
―
Robert K. Massie,
Catherine the Great: Portrait of a Woman