Ten Years Later: The Vicomte of Bragelonne by Alexandre Dumas Chapter 69 Page 14

“No; but he did not know it.”

“Well; that is a reason at least that does not offend my self-love.”

“Then how did you manage to find me?”

“My dear friend, a great noble like you always leaves traced behind him on his passage; and I should think but poorly of myself, if I were not sharp enough to follow the traces of my friends.” This explanation, flattering as it was, did not entirely satisfy Porthos.

“But I left no traces behind me, for I came here disguised,” said Porthos.

“Ah! You came disguised did you?” said D’Artagnan.

“Yes.”