Who said "Motivation springs from purpose and principle."?

This quote is attributed to Monte Cristo.

Motivation springs from purpose and principle. - Monte Cristo

"Motivation springs from purpose and principle."

Monte Cristo Motivation

Character in The Count of Monte Cristo

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"Revenge is the lash of the scorpion."

"I am no bird; and no net ensnares me."

"My heart is a sepulcher in which I have entombed my past."

"Blessed are the merciful, for they shall obtain mercy."

"I believe in working hard for what you want."

"Never underestimate the power of determination."

"I don't need a reason to fight."

"The most important thing is the mission. Nothing else matters."