Ten Years Later: The Man in The Iron Mask by Alexandre Dumas Chapter 9 Page 7

“I should not take the trouble to play this terrible game with your royal highness, if I had not a double interest in gaining it. The day you are elevated, you are elevated forever; you will overturn the footstool, as you rise, and will send it rolling so far, that not even the sight of it will ever again recall to you its right to simple gratitude.”

“Oh, monsieur!”

“Your movement, monseigneur, arises from an excellent disposition.

I thank you. Be well assured, I aspire to more than gratitude! I am convinced that, when arrived at the summit, you will judge me still more worthy to be your friend; and then, monseigneur, we two will do such great deeds, that ages hereafter shall long speak of them.”